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Add nix::isASCII*, locale-independent

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Robert Hensing 2023-12-06 14:39:49 +01:00
parent 1fa958dda1
commit 79eb2920bb
2 changed files with 76 additions and 0 deletions
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17
src/libutil/string.hh Normal file
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#pragma once
namespace nix {
/** Locale-independent version of std::islower(). */
inline bool isASCIILower(char c) { return c >= 'a' && c <= 'z'; };
/** Locale-independent version of std::isupper(). */
inline bool isASCIIUpper(char c) { return c >= 'A' && c <= 'Z'; };
/** Locale-independent version of std::isalpha(). */
inline bool isASCIIAlpha(char c) { return isASCIILower(c) || isASCIIUpper(c); };
/** Locale-independent version of std::isdigit(). */
inline bool isASCIIDigit(char c) { return c >= '0' && c <= '9'; };
}