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82d21814e6
The overloads of `println` are specified in terms of `format`. The
function `format` is specified to work with ranges.
The implementations for `println` do not include `<format>`, but
libc++'s granularized header. This means the following example does not
work
#include <vector>
#include <print>
int main() {
std::vector<int> v{1, 2, 3};
std::println("{}", v);
}
(The other print functions also require this to work, they are specified
in terms of other format functions.)
Fixes: https://github.com/llvm/llvm-project/issues/71925