mirror of
https://github.com/IHaskell/IHaskell.git
synced 2025-04-18 12:26:08 +00:00
Fixing unshowable displays, adding pager docs
This commit is contained in:
Andrew Gibiansky
parent
b2dfd0e48f
commit
6b6a9b8936
@ -382,7 +382,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"execution_count": 9,
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"metadata": {
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"collapsed": false
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},
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@ -512,7 +512,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"execution_count": 10,
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"metadata": {
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"collapsed": false
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},
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@ -534,9 +534,152 @@
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"hidden": false
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},
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"source": [
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"If you're looking at this notebook after it's been exported to HTML, you won't be able to see this interactive pane. However, it looks approximately like this:\n",
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"If you're looking at this notebook after it's been exported to HTML, you won't be able to see this interactive pane that pops up after this is evaluated. However, you can disable the interactive pager, and instead just show the output below the cell:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"-- Only takes effect on later cells, so stick it in its own cell.\n",
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":opt no-pager"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"data": {},
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"metadata": {},
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"output_type": "display_data"
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},
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{
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"data": {
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"text/html": [
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"<style>/*\n",
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"Custom IHaskell CSS.\n",
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"*/\n",
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"\n",
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""
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"/* Styles used for the Hoogle display in the pager */\n",
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".hoogle-doc {\n",
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" display: block;\n",
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" padding-bottom: 1.3em;\n",
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" padding-left: 0.4em;\n",
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"}\n",
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".hoogle-code {\n",
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" display: block;\n",
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" font-family: monospace;\n",
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" white-space: pre;\n",
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"}\n",
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".hoogle-text {\n",
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" display: block;\n",
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"}\n",
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".hoogle-name {\n",
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" color: green;\n",
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" font-weight: bold;\n",
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"}\n",
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".hoogle-head {\n",
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" font-weight: bold;\n",
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"}\n",
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".hoogle-sub {\n",
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" display: block;\n",
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" margin-left: 0.4em;\n",
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"}\n",
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".hoogle-package {\n",
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" font-weight: bold;\n",
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" font-style: italic;\n",
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"}\n",
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".hoogle-module {\n",
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" font-weight: bold;\n",
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"}\n",
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".hoogle-class {\n",
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" font-weight: bold;\n",
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"}\n",
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"\n",
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"/* Styles used for basic displays */\n",
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".get-type {\n",
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" color: green;\n",
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" font-weight: bold;\n",
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" font-family: monospace;\n",
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" display: block;\n",
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" white-space: pre;\n",
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"}\n",
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"\n",
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".show-type {\n",
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" color: green;\n",
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" font-weight: bold;\n",
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" font-family: monospace;\n",
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" margin-left: 1em;\n",
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"}\n",
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"\n",
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".mono {\n",
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" font-family: monospace;\n",
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" display: block;\n",
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"}\n",
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"\n",
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".err-msg {\n",
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" color: red;\n",
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" font-style: italic;\n",
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" font-family: monospace;\n",
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" white-space: pre;\n",
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" display: block;\n",
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"}\n",
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"\n",
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"#unshowable {\n",
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" color: red;\n",
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" font-weight: bold;\n",
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"}\n",
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"\n",
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".err-msg.in.collapse {\n",
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" padding-top: 0.7em;\n",
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"}\n",
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"\n",
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"/* Code that will get highlighted before it is highlighted */\n",
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".highlight-code {\n",
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" white-space: pre;\n",
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" font-family: monospace;\n",
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"}\n",
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"\n",
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"/* Hlint styles */\n",
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".suggestion-warning { \n",
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" font-weight: bold;\n",
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" color: rgb(200, 130, 0);\n",
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"}\n",
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".suggestion-error { \n",
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" font-weight: bold;\n",
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" color: red;\n",
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"}\n",
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".suggestion-name {\n",
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" font-weight: bold;\n",
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"}\n",
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"</style><div style='background: rgb(247, 247, 247);'><form><textarea id='code'>class (Real a, Enum a) => Integral a where\n",
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" quot :: a -> a -> a\n",
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" rem :: a -> a -> a\n",
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" div :: a -> a -> a\n",
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" mod :: a -> a -> a\n",
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" quotRem :: a -> a -> (a, a)\n",
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" divMod :: a -> a -> (a, a)\n",
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" toInteger :: a -> Integer\n",
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" \t-- Defined in ‘GHC.Real’\n",
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"instance Integral a => Integral (Tagged s a) -- Defined in ‘Data.Tagged’\n",
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"instance Integral Integer -- Defined in ‘GHC.Real’\n",
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"instance Integral Int -- Defined in ‘GHC.Real’</textarea></form></div><script>CodeMirror.fromTextArea(document.getElementById('code'), {mode: 'haskell', readOnly: 'nocursor'});</script>\n"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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":info Integral"
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]
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},
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{
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@ -550,7 +693,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"execution_count": 13,
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"metadata": {
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"collapsed": false
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},
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@ -592,7 +735,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": 14,
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"metadata": {
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"collapsed": false
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},
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@ -614,7 +757,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"execution_count": 15,
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"metadata": {
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"collapsed": false
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},
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@ -644,7 +787,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"execution_count": 16,
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"metadata": {
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"collapsed": false
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},
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@ -986,7 +1129,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"execution_count": 17,
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"metadata": {
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"collapsed": false
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},
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@ -1306,7 +1449,13 @@
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".suggestion-name {\n",
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" font-weight: bold;\n",
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"}\n",
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"</style><span class='err-msg'>No instance for (Show NoShow) arising from a use of ‘print’<br/>In a stmt of an interactive GHCi command: print it</span>"
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"</style><div class='collapse-group'><span class='btn btn-default' href='#' id='unshowable'>Unshowable:<span class='show-type'>NoShow</span></span><span class='err-msg collapse'>No instance for (Show NoShow) arising from a use of ‘print’<br/>In a stmt of an interactive GHCi command: print it</span></div><script>$('#unshowable').on('click', function(e) {\n",
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" e.preventDefault();\n",
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" var $this = $(this);\n",
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" var $collapse = $this.closest('.collapse-group').find('.err-msg');\n",
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" $collapse.collapse('toggle');\n",
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"});\n",
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"</script>"
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],
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"text/plain": [
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"No instance for (Show NoShow) arising from a use of ‘print’\n",
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@ -1338,7 +1487,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 17,
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"execution_count": 18,
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"metadata": {
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"collapsed": false
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},
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@ -1711,7 +1860,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 18,
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"execution_count": 19,
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"metadata": {
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"collapsed": false
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},
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@ -1982,7 +2131,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 19,
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"execution_count": 20,
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"metadata": {
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"collapsed": false
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},
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@ -2032,7 +2181,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 20,
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"execution_count": 21,
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"metadata": {
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"collapsed": false
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},
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@ -2087,7 +2236,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 21,
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"execution_count": 22,
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"metadata": {
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"collapsed": false
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},
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@ -2122,7 +2271,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 22,
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"execution_count": 23,
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"metadata": {
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"collapsed": false
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},
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@ -2138,6 +2287,11 @@
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}
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],
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"source": [
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"-- This import is unnecessary, but ensures that\n",
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"-- you actually have the magic library installed. Otherwise,\n",
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"-- the bytestring will get displayed as a large string!\n",
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"import IHaskell.Display.Magic\n",
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"\n",
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"import qualified Data.ByteString as B\n",
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"B.readFile \"code/IHaskell/images/ihaskell-notebook.png\""
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]
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@ -2155,7 +2309,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 23,
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"execution_count": 24,
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"metadata": {
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"collapsed": false
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},
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@ -2334,7 +2488,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 24,
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"execution_count": 25,
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"metadata": {
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"collapsed": false
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},
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@ -2347,7 +2501,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 25,
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"execution_count": 26,
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"metadata": {
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"collapsed": false
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},
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@ -2378,7 +2532,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"execution_count": 27,
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"metadata": {
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"collapsed": false
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},
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@ -2387,6 +2541,113 @@
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"data": {},
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"metadata": {},
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"output_type": "display_data"
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},
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{
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"data": {
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"text/html": [
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"<style>/*\n",
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"Custom IHaskell CSS.\n",
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"*/\n",
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"\n",
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"/* Styles used for the Hoogle display in the pager */\n",
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".hoogle-doc {\n",
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" display: block;\n",
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" padding-bottom: 1.3em;\n",
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" padding-left: 0.4em;\n",
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"}\n",
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".hoogle-code {\n",
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" display: block;\n",
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" font-family: monospace;\n",
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" white-space: pre;\n",
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"}\n",
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".hoogle-text {\n",
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" display: block;\n",
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"}\n",
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".hoogle-name {\n",
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" color: green;\n",
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" font-weight: bold;\n",
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"}\n",
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".hoogle-head {\n",
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" font-weight: bold;\n",
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"}\n",
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".hoogle-sub {\n",
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" display: block;\n",
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" margin-left: 0.4em;\n",
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"}\n",
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".hoogle-package {\n",
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" font-weight: bold;\n",
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" font-style: italic;\n",
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"}\n",
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".hoogle-module {\n",
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" font-weight: bold;\n",
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"}\n",
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".hoogle-class {\n",
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" font-weight: bold;\n",
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"}\n",
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"\n",
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"/* Styles used for basic displays */\n",
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".get-type {\n",
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" color: green;\n",
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" font-weight: bold;\n",
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" font-family: monospace;\n",
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" display: block;\n",
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" white-space: pre;\n",
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"}\n",
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"\n",
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".show-type {\n",
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" color: green;\n",
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" font-weight: bold;\n",
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" font-family: monospace;\n",
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" margin-left: 1em;\n",
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"}\n",
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"\n",
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".mono {\n",
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" font-family: monospace;\n",
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" display: block;\n",
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"}\n",
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"\n",
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".err-msg {\n",
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" color: red;\n",
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" font-style: italic;\n",
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" font-family: monospace;\n",
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" white-space: pre;\n",
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" display: block;\n",
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"}\n",
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"\n",
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"#unshowable {\n",
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" color: red;\n",
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" font-weight: bold;\n",
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"}\n",
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"\n",
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".err-msg.in.collapse {\n",
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" padding-top: 0.7em;\n",
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"}\n",
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"\n",
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"/* Code that will get highlighted before it is highlighted */\n",
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".highlight-code {\n",
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" white-space: pre;\n",
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" font-family: monospace;\n",
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"}\n",
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"\n",
|
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"/* Hlint styles */\n",
|
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".suggestion-warning { \n",
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" font-weight: bold;\n",
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" color: rgb(200, 130, 0);\n",
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"}\n",
|
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".suggestion-error { \n",
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" font-weight: bold;\n",
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" color: red;\n",
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"}\n",
|
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".suggestion-name {\n",
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" font-weight: bold;\n",
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"}\n",
|
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"</style><span class='hoogle-name'><a target='_blank' href='http://hackage.haskell.org/packages/archive/base/latest/doc/html/Control-Monad.html#v:filterM'>filterM</a> ∷ Monad m ⇒ (a → m Bool) → [a] → m [a]</span><span class='hoogle-sub'>(<span class='hoogle-head'>package</span> <span class='hoogle-package'>base</span>, <span class='hoogle-head'>module</span> <span class='hoogle-module'>Control.Monad</span>)</span><div class='hoogle-doc'><div class='hoogle-text'>This generalizes the list-based filter function. \n",
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"</div>\n",
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"</div>\n"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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@ -2399,29 +2660,121 @@
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"hidden": false
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},
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"source": [
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"Like with `:info`, the Hoogle directives use the IPython documentation pager to show you their output. You can press Escape to dismiss the pager. If you're reading this in it's HTML form, the output looks like this:\n",
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"\n",
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""
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"hidden": false
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},
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"source": [
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"The other provided command is `:hoogle`. This does a normal Hoogle search, and thus lets you use imperfect matching and searching by type signature."
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"The other provided command is `:hoogle`. This does a normal Hoogle search, and thus lets you use imperfect matching and searching by type signature. This will show you documentation for things that match the desired type signature, as demonstrated below. It automatically formats inline Haskell code and hyperlinks the identifiers to their respective Haddock documentations."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 26,
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"execution_count": 28,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"data": {},
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"data": {
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"text/html": [
|
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"<style>/*\n",
|
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"Custom IHaskell CSS.\n",
|
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"*/\n",
|
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"\n",
|
||||
"/* Styles used for the Hoogle display in the pager */\n",
|
||||
".hoogle-doc {\n",
|
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" display: block;\n",
|
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" padding-bottom: 1.3em;\n",
|
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" padding-left: 0.4em;\n",
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"}\n",
|
||||
".hoogle-code {\n",
|
||||
" display: block;\n",
|
||||
" font-family: monospace;\n",
|
||||
" white-space: pre;\n",
|
||||
"}\n",
|
||||
".hoogle-text {\n",
|
||||
" display: block;\n",
|
||||
"}\n",
|
||||
".hoogle-name {\n",
|
||||
" color: green;\n",
|
||||
" font-weight: bold;\n",
|
||||
"}\n",
|
||||
".hoogle-head {\n",
|
||||
" font-weight: bold;\n",
|
||||
"}\n",
|
||||
".hoogle-sub {\n",
|
||||
" display: block;\n",
|
||||
" margin-left: 0.4em;\n",
|
||||
"}\n",
|
||||
".hoogle-package {\n",
|
||||
" font-weight: bold;\n",
|
||||
" font-style: italic;\n",
|
||||
"}\n",
|
||||
".hoogle-module {\n",
|
||||
" font-weight: bold;\n",
|
||||
"}\n",
|
||||
".hoogle-class {\n",
|
||||
" font-weight: bold;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"/* Styles used for basic displays */\n",
|
||||
".get-type {\n",
|
||||
" color: green;\n",
|
||||
" font-weight: bold;\n",
|
||||
" font-family: monospace;\n",
|
||||
" display: block;\n",
|
||||
" white-space: pre;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
".show-type {\n",
|
||||
" color: green;\n",
|
||||
" font-weight: bold;\n",
|
||||
" font-family: monospace;\n",
|
||||
" margin-left: 1em;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
".mono {\n",
|
||||
" font-family: monospace;\n",
|
||||
" display: block;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
".err-msg {\n",
|
||||
" color: red;\n",
|
||||
" font-style: italic;\n",
|
||||
" font-family: monospace;\n",
|
||||
" white-space: pre;\n",
|
||||
" display: block;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"#unshowable {\n",
|
||||
" color: red;\n",
|
||||
" font-weight: bold;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
".err-msg.in.collapse {\n",
|
||||
" padding-top: 0.7em;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"/* Code that will get highlighted before it is highlighted */\n",
|
||||
".highlight-code {\n",
|
||||
" white-space: pre;\n",
|
||||
" font-family: monospace;\n",
|
||||
"}\n",
|
||||
"\n",
|
||||
"/* Hlint styles */\n",
|
||||
".suggestion-warning { \n",
|
||||
" font-weight: bold;\n",
|
||||
" color: rgb(200, 130, 0);\n",
|
||||
"}\n",
|
||||
".suggestion-error { \n",
|
||||
" font-weight: bold;\n",
|
||||
" color: red;\n",
|
||||
"}\n",
|
||||
".suggestion-name {\n",
|
||||
" font-weight: bold;\n",
|
||||
"}\n",
|
||||
"</style><span class='err-msg'>InvalidUrlException \"https://www.haskell.org/hoogle/?hoogle=:: [a] -> [(a, b)]&mode=json\" \"Invalid URL\"</span>"
|
||||
],
|
||||
"text/plain": [
|
||||
"InvalidUrlException \"https://www.haskell.org/hoogle/?hoogle=:: [a] -> [(a, b)]&mode=json\" \"Invalid URL\""
|
||||
]
|
||||
},
|
||||
"metadata": {},
|
||||
"output_type": "display_data"
|
||||
}
|
||||
@ -2430,17 +2783,6 @@
|
||||
":hoogle :: [a] -> [(a, b)]"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"metadata": {
|
||||
"hidden": false
|
||||
},
|
||||
"source": [
|
||||
"The pager will show you documentation for things that could have that type signature or a similar one. It automatically formats inline Haskell code and hyperlinks the identifiers to their respective Haddock documentations:\n",
|
||||
"\n",
|
||||
""
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "markdown",
|
||||
"metadata": {
|
||||
@ -2452,7 +2794,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 26,
|
||||
"execution_count": 29,
|
||||
"metadata": {
|
||||
"collapsed": false
|
||||
},
|
||||
@ -2475,10 +2817,11 @@
|
||||
"Any prefix of the commands will also suffice, e.g. use :ty for :type.\n",
|
||||
"\n",
|
||||
"Options:\n",
|
||||
" lint - enable or disable linting.\n",
|
||||
" svg - use svg output (cannot be resized).\n",
|
||||
" show-types - show types of all bound names\n",
|
||||
" show-errors - display Show instance missing errors normally."
|
||||
" lint – enable or disable linting.\n",
|
||||
" svg – use svg output (cannot be resized).\n",
|
||||
" show-types – show types of all bound names\n",
|
||||
" show-errors – display Show instance missing errors normally.\n",
|
||||
" pager – use the pager to display results of :info, :doc, :hoogle, etc."
|
||||
]
|
||||
},
|
||||
"metadata": {},
|
||||
@ -2500,7 +2843,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 27,
|
||||
"execution_count": 30,
|
||||
"metadata": {
|
||||
"collapsed": false
|
||||
},
|
||||
@ -2525,7 +2868,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 28,
|
||||
"execution_count": 31,
|
||||
"metadata": {
|
||||
"collapsed": false
|
||||
},
|
||||
@ -2566,7 +2909,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 29,
|
||||
"execution_count": 32,
|
||||
"metadata": {
|
||||
"collapsed": false
|
||||
},
|
||||
@ -2695,7 +3038,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 30,
|
||||
"execution_count": 33,
|
||||
"metadata": {
|
||||
"collapsed": false
|
||||
},
|
||||
|
||||
@ -649,10 +649,11 @@ evalCommand _ (Directive GetHelp _) state = do
|
||||
,"Any prefix of the commands will also suffice, e.g. use :ty for :type."
|
||||
,""
|
||||
,"Options:"
|
||||
," lint - enable or disable linting."
|
||||
," svg - use svg output (cannot be resized)."
|
||||
," show-types - show types of all bound names"
|
||||
," show-errors - display Show instance missing errors normally."
|
||||
," lint – enable or disable linting."
|
||||
," svg – use svg output (cannot be resized)."
|
||||
," show-types – show types of all bound names"
|
||||
," show-errors – display Show instance missing errors normally."
|
||||
," pager – use the pager to display results of :info, :doc, :hoogle, etc."
|
||||
]
|
||||
|
||||
-- This is taken largely from GHCi's info section in InteractiveUI.
|
||||
@ -801,9 +802,9 @@ evalCommand output (Expression expr) state = do
|
||||
isShowError (ManyDisplay _) = False
|
||||
isShowError (Display errs) =
|
||||
-- Note that we rely on this error message being 'type cleaned', so
|
||||
-- that `Show` is not displayed as GHC.Show.Show.
|
||||
-- that `Show` is not displayed as GHC.Show.Show. This is also very fragile!
|
||||
startswith "No instance for (Show" msg &&
|
||||
isInfixOf " arising from a use of `print'" msg
|
||||
isInfixOf "print it" msg
|
||||
where msg = extractPlain errs
|
||||
|
||||
isSvg (DisplayData mime _) = mime == MimeSvg
|
||||
@ -879,7 +880,7 @@ evalCommand output (Expression expr) state = do
|
||||
|
||||
postprocess (DisplayData MimeHtml _) = html $ printf fmt unshowableType (formatErrorWithClass "err-msg collapse" text) script
|
||||
where
|
||||
fmt = "<div class='collapse-group'><span class='btn' href='#' id='unshowable'>Unshowable:<span class='show-type'>%s</span></span>%s</div><script>%s</script>"
|
||||
fmt = "<div class='collapse-group'><span class='btn btn-default' href='#' id='unshowable'>Unshowable:<span class='show-type'>%s</span></span>%s</div><script>%s</script>"
|
||||
script = unlines [
|
||||
"$('#unshowable').on('click', function(e) {",
|
||||
" e.preventDefault();",
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user