25 lines
645 B
C++
25 lines
645 B
C++
#pragma once
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///@file
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#include <ostream>
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namespace nix {
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/**
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* A struct that prints a debug representation of a character, like `\x1f` for
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* non-printable characters, or the character itself for other characters.
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*
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* Note that these are suitable for human readable output, but further care is
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* necessary to include them in C++ strings to avoid running into adjacent
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* hex-like characters. (`"puppy\x1bdoggy"` parses as `"puppy" "\x1bd" "oggy"`
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* and errors because 0x1bd is too big for a `char`.)
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*/
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struct MaybeHexEscapedChar
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{
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char c;
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};
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std::ostream & operator<<(std::ostream & s, MaybeHexEscapedChar c);
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} // namespace nix
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