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Change the `nbconvert` test so that it converts a notebook with no Hoogle (which changes over time) and no images (which differ on different systems). This should reduce the number of surprise Travis test failures.
1156 lines
27 KiB
Plaintext
1156 lines
27 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"\n",
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"IHaskell Notebook Test 1\n",
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"===\n",
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"\n",
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"Acceptance test for IHaskell, based on `notebooks/IHaskell.ipynb`"
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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": 1,
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||
"metadata": {},
|
||
"outputs": [
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||
{
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"data": {
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"text/plain": [
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"8"
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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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"data": {
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||
"text/plain": [
|
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"\"Hello, World!\""
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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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"-- First of all, we can evaluate simple expressions.\n",
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"3 + 5\n",
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"\"Hello, \" ++ \"World!\""
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]
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},
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||
{
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||
"cell_type": "markdown",
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||
"metadata": {},
|
||
"source": [
|
||
"## Test the `itN` variable"
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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": 2,
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||
"metadata": {},
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||
"outputs": [
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||
{
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"data": {
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||
"text/plain": [
|
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"\"Hello, World!\""
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||
]
|
||
},
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||
"metadata": {},
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"output_type": "display_data"
|
||
}
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||
],
|
||
"source": [
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"it1"
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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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"source": [
|
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"## Test multi-line expressions"
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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": 3,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
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||
"text/plain": [
|
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"\"Hello, World!\""
|
||
]
|
||
},
|
||
"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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"-- Unlike in GHCi, we can have multi-line expressions.\n",
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"concat [\n",
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" \"Hello\",\n",
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" \", \",\n",
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" \"World!\"\n",
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" ] :: String"
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||
]
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||
},
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||
{
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||
"cell_type": "markdown",
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||
"metadata": {},
|
||
"source": [
|
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"## Test top-level declaration"
|
||
]
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||
},
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{
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||
"cell_type": "code",
|
||
"execution_count": 4,
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||
"metadata": {},
|
||
"outputs": [
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||
{
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||
"data": {
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||
"text/plain": [
|
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"100"
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||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
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"12"
|
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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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"thing :: String -> Int -> Int\n",
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"thing \"no\" _ = 100\n",
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"thing str int = int + length str\n",
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"\n",
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"thing \"no\" 10\n",
|
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"thing \"ah\" 10"
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||
]
|
||
},
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||
{
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||
"cell_type": "markdown",
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||
"metadata": {},
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||
"source": [
|
||
"## Test IO"
|
||
]
|
||
},
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||
{
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||
"cell_type": "code",
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"execution_count": 5,
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||
"metadata": {},
|
||
"outputs": [
|
||
{
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"data": {
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||
"text/plain": [
|
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"\"What's going on?\""
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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": [
|
||
"print \"What's going on?\""
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||
]
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||
},
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||
{
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||
"cell_type": "markdown",
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||
"metadata": {},
|
||
"source": [
|
||
"## Test the `:extension` directive"
|
||
]
|
||
},
|
||
{
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||
"cell_type": "code",
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||
"execution_count": 6,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"ename": "",
|
||
"evalue": "",
|
||
"output_type": "error",
|
||
"traceback": [
|
||
"<interactive>:1:1: error:\n • ‘Thing’ has no constructors (EmptyDataDecls permits this)\n • In the data declaration for ‘Thing’"
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||
]
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||
}
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||
],
|
||
"source": [
|
||
"-- We can disable extensions.\n",
|
||
":ext NoEmptyDataDecls\n",
|
||
"data Thing"
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||
]
|
||
},
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||
{
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||
"cell_type": "code",
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||
"execution_count": 7,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"-- And enable extensions.\n",
|
||
":ext EmptyDataDecls\n",
|
||
"data Thing"
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||
]
|
||
},
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||
{
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||
"cell_type": "markdown",
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||
"metadata": {},
|
||
"source": [
|
||
"## Test Data declarations"
|
||
]
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||
},
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||
{
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||
"cell_type": "code",
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||
"execution_count": 8,
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||
"metadata": {},
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||
"outputs": [
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||
{
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||
"data": {
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||
"text/plain": [
|
||
"[A \"Hello\",B 10]"
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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": [
|
||
"-- Various data declarations work fine.\n",
|
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"data One\n",
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" = A String\n",
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" | B Int\n",
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" deriving Show\n",
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"\n",
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||
"print [A \"Hello\", B 10]"
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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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||
"source": [
|
||
"## Test `:type`"
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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": 9,
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||
"metadata": {},
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||
"outputs": [
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||
{
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"data": {
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||
"text/html": [
|
||
"<style>/* 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",
|
||
"padding-left: 0.4em;\n",
|
||
"}\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",
|
||
".get-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"white-space: pre-wrap;\n",
|
||
"}\n",
|
||
".show-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"margin-left: 1em;\n",
|
||
"}\n",
|
||
".mono {\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
".err-msg {\n",
|
||
"color: red;\n",
|
||
"font-style: italic;\n",
|
||
"font-family: monospace;\n",
|
||
"white-space: pre;\n",
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||
"display: block;\n",
|
||
"}\n",
|
||
"#unshowable {\n",
|
||
"color: red;\n",
|
||
"font-weight: bold;\n",
|
||
"}\n",
|
||
".err-msg.in.collapse {\n",
|
||
"padding-top: 0.7em;\n",
|
||
"}\n",
|
||
".highlight-code {\n",
|
||
"white-space: pre;\n",
|
||
"font-family: monospace;\n",
|
||
"}\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='get-type'>3 + 3 :: forall a. Num a => a</span>"
|
||
],
|
||
"text/plain": [
|
||
"3 + 3 :: forall a. Num a => a"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"-- We can look at types like in GHCi.\n",
|
||
":ty 3 + 3"
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||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test `:info`"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 10,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
":opt no-pager"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 11,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/html": [
|
||
"<style>/* Styles used for the Hoogle display in the pager */\n",
|
||
".hoogle-doc {\n",
|
||
"display: block;\n",
|
||
"padding-bottom: 1.3em;\n",
|
||
"padding-left: 0.4em;\n",
|
||
"}\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",
|
||
".get-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"white-space: pre-wrap;\n",
|
||
"}\n",
|
||
".show-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"margin-left: 1em;\n",
|
||
"}\n",
|
||
".mono {\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
".err-msg {\n",
|
||
"color: red;\n",
|
||
"font-style: italic;\n",
|
||
"font-family: monospace;\n",
|
||
"white-space: pre;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
"#unshowable {\n",
|
||
"color: red;\n",
|
||
"font-weight: bold;\n",
|
||
"}\n",
|
||
".err-msg.in.collapse {\n",
|
||
"padding-top: 0.7em;\n",
|
||
"}\n",
|
||
".highlight-code {\n",
|
||
"white-space: pre;\n",
|
||
"font-family: monospace;\n",
|
||
"}\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><div style='background: rgb(247, 247, 247);'><form><textarea id='code'>class (Real a, Enum a) => Integral a where\n",
|
||
" quot :: a -> a -> a\n",
|
||
" rem :: a -> a -> a\n",
|
||
" div :: a -> a -> a\n",
|
||
" mod :: a -> a -> a\n",
|
||
" quotRem :: a -> a -> (a, a)\n",
|
||
" divMod :: a -> a -> (a, a)\n",
|
||
" toInteger :: a -> Integer\n",
|
||
" {-# MINIMAL quotRem, toInteger #-}\n",
|
||
" \t-- Defined in ‘GHC.Real’\n",
|
||
"instance Integral Word -- Defined in ‘GHC.Real’\n",
|
||
"instance Integral Integer -- Defined in ‘GHC.Real’\n",
|
||
"instance Integral Int -- Defined in ‘GHC.Real’\n",
|
||
"</textarea></form></div><script>CodeMirror.fromTextArea(document.getElementById('code'), {mode: 'haskell', readOnly: 'nocursor'});</script>"
|
||
],
|
||
"text/plain": [
|
||
"class (Real a, Enum a) => Integral a where\n",
|
||
" quot :: a -> a -> a\n",
|
||
" rem :: a -> a -> a\n",
|
||
" div :: a -> a -> a\n",
|
||
" mod :: a -> a -> a\n",
|
||
" quotRem :: a -> a -> (a, a)\n",
|
||
" divMod :: a -> a -> (a, a)\n",
|
||
" toInteger :: a -> Integer\n",
|
||
" {-# MINIMAL quotRem, toInteger #-}\n",
|
||
" \t-- Defined in ‘GHC.Real’\n",
|
||
"instance Integral Word -- Defined in ‘GHC.Real’\n",
|
||
"instance Integral Integer -- Defined in ‘GHC.Real’\n",
|
||
"instance Integral Int -- Defined in ‘GHC.Real’"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"-- What is the Integral typeclass?\n",
|
||
":info Integral"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test `IHaskellDisplay`"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 12,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/html": [
|
||
"<style>/* Styles used for the Hoogle display in the pager */\n",
|
||
".hoogle-doc {\n",
|
||
"display: block;\n",
|
||
"padding-bottom: 1.3em;\n",
|
||
"padding-left: 0.4em;\n",
|
||
"}\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",
|
||
".get-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"white-space: pre-wrap;\n",
|
||
"}\n",
|
||
".show-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"margin-left: 1em;\n",
|
||
"}\n",
|
||
".mono {\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
".err-msg {\n",
|
||
"color: red;\n",
|
||
"font-style: italic;\n",
|
||
"font-family: monospace;\n",
|
||
"white-space: pre;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
"#unshowable {\n",
|
||
"color: red;\n",
|
||
"font-weight: bold;\n",
|
||
"}\n",
|
||
".err-msg.in.collapse {\n",
|
||
"padding-top: 0.7em;\n",
|
||
"}\n",
|
||
".highlight-code {\n",
|
||
"white-space: pre;\n",
|
||
"font-family: monospace;\n",
|
||
"}\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><div style='font-weight: bold; color:red'>Look!</div>"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/html": [
|
||
"<style>/* Styles used for the Hoogle display in the pager */\n",
|
||
".hoogle-doc {\n",
|
||
"display: block;\n",
|
||
"padding-bottom: 1.3em;\n",
|
||
"padding-left: 0.4em;\n",
|
||
"}\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",
|
||
".get-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"white-space: pre-wrap;\n",
|
||
"}\n",
|
||
".show-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"margin-left: 1em;\n",
|
||
"}\n",
|
||
".mono {\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
".err-msg {\n",
|
||
"color: red;\n",
|
||
"font-style: italic;\n",
|
||
"font-family: monospace;\n",
|
||
"white-space: pre;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
"#unshowable {\n",
|
||
"color: red;\n",
|
||
"font-weight: bold;\n",
|
||
"}\n",
|
||
".err-msg.in.collapse {\n",
|
||
"padding-top: 0.7em;\n",
|
||
"}\n",
|
||
".highlight-code {\n",
|
||
"white-space: pre;\n",
|
||
"font-family: monospace;\n",
|
||
"}\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><div style='font-weight: bold; color:green'>Look!</div>"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/html": [
|
||
"<style>/* Styles used for the Hoogle display in the pager */\n",
|
||
".hoogle-doc {\n",
|
||
"display: block;\n",
|
||
"padding-bottom: 1.3em;\n",
|
||
"padding-left: 0.4em;\n",
|
||
"}\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",
|
||
".get-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"white-space: pre-wrap;\n",
|
||
"}\n",
|
||
".show-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"margin-left: 1em;\n",
|
||
"}\n",
|
||
".mono {\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
".err-msg {\n",
|
||
"color: red;\n",
|
||
"font-style: italic;\n",
|
||
"font-family: monospace;\n",
|
||
"white-space: pre;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
"#unshowable {\n",
|
||
"color: red;\n",
|
||
"font-weight: bold;\n",
|
||
"}\n",
|
||
".err-msg.in.collapse {\n",
|
||
"padding-top: 0.7em;\n",
|
||
"}\n",
|
||
".highlight-code {\n",
|
||
"white-space: pre;\n",
|
||
"font-family: monospace;\n",
|
||
"}\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><div style='font-weight: bold; color:blue'>Look!</div>"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"import IHaskell.Display\n",
|
||
"\n",
|
||
"data Color = Red | Green | Blue\n",
|
||
"\n",
|
||
"instance IHaskellDisplay Color where\n",
|
||
" display color = return $ Display [html code]\n",
|
||
" where\n",
|
||
" code = concat [\"<div style='font-weight: bold; color:\"\n",
|
||
" , css color\n",
|
||
" , \"'>Look!</div>\"]\n",
|
||
" css Red = \"red\"\n",
|
||
" css Blue = \"blue\"\n",
|
||
" css Green = \"green\"\n",
|
||
"\n",
|
||
"Red\n",
|
||
"Green\n",
|
||
"Blue"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test `hlint` "
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 13,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/html": [
|
||
"<style>/* Styles used for the Hoogle display in the pager */\n",
|
||
".hoogle-doc {\n",
|
||
"display: block;\n",
|
||
"padding-bottom: 1.3em;\n",
|
||
"padding-left: 0.4em;\n",
|
||
"}\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",
|
||
".get-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"white-space: pre-wrap;\n",
|
||
"}\n",
|
||
".show-type {\n",
|
||
"color: green;\n",
|
||
"font-weight: bold;\n",
|
||
"font-family: monospace;\n",
|
||
"margin-left: 1em;\n",
|
||
"}\n",
|
||
".mono {\n",
|
||
"font-family: monospace;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
".err-msg {\n",
|
||
"color: red;\n",
|
||
"font-style: italic;\n",
|
||
"font-family: monospace;\n",
|
||
"white-space: pre;\n",
|
||
"display: block;\n",
|
||
"}\n",
|
||
"#unshowable {\n",
|
||
"color: red;\n",
|
||
"font-weight: bold;\n",
|
||
"}\n",
|
||
".err-msg.in.collapse {\n",
|
||
"padding-top: 0.7em;\n",
|
||
"}\n",
|
||
".highlight-code {\n",
|
||
"white-space: pre;\n",
|
||
"font-family: monospace;\n",
|
||
"}\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><div class=\"suggestion-name\" style=\"clear:both;\">Redundant $</div><div class=\"suggestion-row\" style=\"float: left;\"><div class=\"suggestion-warning\">Found:</div><div class=\"highlight-code\" id=\"haskell\">f $ 3</div></div><div class=\"suggestion-row\" style=\"float: left;\"><div class=\"suggestion-warning\">Why Not:</div><div class=\"highlight-code\" id=\"haskell\">f 3</div></div><div class=\"suggestion-name\" style=\"clear:both;\">Redundant do</div><div class=\"suggestion-row\" style=\"float: left;\"><div class=\"suggestion-warning\">Found:</div><div class=\"highlight-code\" id=\"haskell\">do return 3</div></div><div class=\"suggestion-row\" style=\"float: left;\"><div class=\"suggestion-warning\">Why Not:</div><div class=\"highlight-code\" id=\"haskell\">return 3</div></div>"
|
||
],
|
||
"text/plain": [
|
||
"Line 1: Redundant $\n",
|
||
"Found:\n",
|
||
"f $ 3\n",
|
||
"Why not:\n",
|
||
"f 3Line 1: Redundant do\n",
|
||
"Found:\n",
|
||
"do return 3\n",
|
||
"Why not:\n",
|
||
"return 3"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"4"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"3"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"-- There is also hlint integration enabled by default.\n",
|
||
"-- If you write sketchy code, it will tell you:\n",
|
||
"f :: Int -> Int\n",
|
||
"f x = x + 1\n",
|
||
"\n",
|
||
"-- Most warnings are orange...\n",
|
||
"f $ 3\n",
|
||
"\n",
|
||
"do\n",
|
||
" return 3"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test `:help`"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 14,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"The following commands are available:\n",
|
||
" :extension <Extension> - Enable a GHC extension.\n",
|
||
" :extension No<Extension> - Disable a GHC extension.\n",
|
||
" :type <expression> - Print expression type.\n",
|
||
" :info <name> - Print all info for a name.\n",
|
||
" :hoogle <query> - Search for a query on Hoogle.\n",
|
||
" :doc <ident> - Get documentation for an identifier via Hogole.\n",
|
||
" :set -XFlag -Wall - Set an option (like ghci).\n",
|
||
" :option <opt> - Set an option.\n",
|
||
" :option no-<opt> - Unset an option.\n",
|
||
" :?, :help - Show this help text.\n",
|
||
"\n",
|
||
"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.\n",
|
||
" pager – use the pager to display results of :info, :doc, :hoogle, etc."
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
":help"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test `module Name where`\n",
|
||
"\n",
|
||
"IHaskell will create the file `A/B.hs`, compile it, and load it. "
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 15,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"-- If your code isn't running fast enough, you can just put it into a module.\n",
|
||
"module A.B where\n",
|
||
"\n",
|
||
"fib 0 = 1\n",
|
||
"fib 1 = 1\n",
|
||
"fib n = fib (n-1) + fib (n-2)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test module import\n",
|
||
"\n",
|
||
"Note that the module is by default imported unqualified, as though you had typed `import A.B`."
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 16,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"10946"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"10946"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"-- The module is automatically imported unqualified.\n",
|
||
"print $ A.B.fib 20\n",
|
||
"print $ fib 20"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test module unbind identifiers\n",
|
||
"\n",
|
||
"since a new module is imported, all previous bound identifiers are now unbound. For instance, we no longer have access to the `f` function from before:"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 17,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"ename": "",
|
||
"evalue": "",
|
||
"output_type": "error",
|
||
"traceback": [
|
||
"<interactive>:1:1: error: Variable not in scope: f :: Integer -> t"
|
||
]
|
||
}
|
||
],
|
||
"source": [
|
||
"f 3"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"## Test module re-import\n",
|
||
"\n",
|
||
"re-import this module with another import statement, the original implicit import goes away."
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 18,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"10946"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"10946"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"import qualified A.B as Fib\n",
|
||
"\n",
|
||
"Fib.fib 20\n",
|
||
"fib 20"
|
||
]
|
||
}
|
||
],
|
||
"metadata": {
|
||
"hide_input": false,
|
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"kernelspec": {
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"display_name": "Haskell",
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"language": "haskell",
|
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"name": "haskell"
|
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},
|
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"language_info": {
|
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"codemirror_mode": "ihaskell",
|
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"file_extension": ".hs",
|
||
"name": "haskell",
|
||
"pygments_lexer": "Haskell",
|
||
"version": "8.6.5"
|
||
},
|
||
"latex_envs": {
|
||
"bibliofile": "biblio.bib",
|
||
"cite_by": "apalike",
|
||
"current_citInitial": 1,
|
||
"eqLabelWithNumbers": true,
|
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"eqNumInitial": 0
|
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},
|
||
"nav_menu": {},
|
||
"toc": {
|
||
"navigate_menu": true,
|
||
"number_sections": true,
|
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"sideBar": true,
|
||
"threshold": 6,
|
||
"toc_cell": false,
|
||
"toc_section_display": "block",
|
||
"toc_window_display": false
|
||
}
|
||
},
|
||
"nbformat": 4,
|
||
"nbformat_minor": 1
|
||
}
|