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feat: update changelog to include MSTD_ENUM_BITFLAG for enum bitwise operations #83

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Merged
97gamjak merged 3 commits into from
Feb 27, 2026
Merged

feat: update changelog to include MSTD_ENUM_BITFLAG for enum bitwise operations #83

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c153854
MSTD-93 feat: add bitflag support to MSTD enum macro
97gamjak Feb 25, 2026
567739e
feat: add toString method for enum conversion to string
97gamjak Feb 26, 2026
bbdce0a
feat: update changelog to include MSTD_ENUM_BITFLAG for enum bitwise …
97gamjak Feb 27, 2026
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.

## Next Release

- introduce `MSTD_ENUM_BITFLAG` for bitwise operations on enums

<!-- insertion marker -->
## [0.0.3](https://github.com/repo/owner/releases/tag/0.0.3) - 2026-02-08

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26 changes: 26 additions & 0 deletions include/mstd/enum.hpp
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Expand Up @@ -27,6 +27,7 @@
#include <cstddef> // IWYU pragma: keep
#include <optional> // IWYU pragma: keep
#include <span> // IWYU pragma: keep
#include <string> // IWYU pragma: keep
#include <string_view> // IWYU pragma: keep
#include <type_traits> // IWYU pragma: keep

Expand Down Expand Up @@ -84,6 +85,14 @@
return {}; \
} \
\
static constexpr std::string toString(EnumName e) \
{ \
for (std::size_t i = 0; i < size; ++i) \
if (values[i] == e) \
return std::string(names[i]); \
return {}; \
} \
\
static constexpr std::optional<EnumName> from_string( \
std::string_view s \
) \
Expand All @@ -110,4 +119,21 @@
\
static constexpr EnumName##Meta enum_meta(EnumName) { return {}; }

#define MSTD_ENUM_BITFLAG(EnumName, Underlying, LIST) \
MSTD_ENUM(EnumName, Underlying, LIST) \
\
inline EnumName operator|(EnumName lhs, EnumName rhs) \
{ \
return static_cast<EnumName>( \
static_cast<Underlying>(lhs) | static_cast<Underlying>(rhs) \
); \
} \
\
inline EnumName operator&(EnumName lhs, EnumName rhs) \
{ \
return static_cast<EnumName>( \
static_cast<Underlying>(lhs) & static_cast<Underlying>(rhs) \
); \
}

#endif // __MSTD__ENUM_HPP__