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| author | 2022-11-15 16:53:53 -0500 | |
|---|---|---|
| committer | 2022-11-22 16:04:41 -0500 | |
| commit | dfeded73f45229558693e227bc1c9f52102ea0af (patch) | |
| tree | 94b0e2ceb446c3b65fbadd8b5bf848cff8b7d36c /include/ftl/enum.h | |
| parent | 345d32bcbf1fdeae6be3989fc96c7ea9c2ac3957 (diff) | |
FTL: Add mixins for type-safe wrappers
For now, allow mixing in construction, default construction, equality,
ordering, incrementing, and addition.
Bug: 185536303
Test: ftl_test
Change-Id: I9017e124656ba0e7f13f378814c5b1c19a36655b
Diffstat (limited to 'include/ftl/enum.h')
| -rw-r--r-- | include/ftl/enum.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/ftl/enum.h b/include/ftl/enum.h index 82af1d6cf8..075d12bd17 100644 --- a/include/ftl/enum.h +++ b/include/ftl/enum.h @@ -92,7 +92,7 @@ inline constexpr bool is_scoped_enum_v = is_scoped_enum<T>::value; // enum class E { A, B, C }; // static_assert(ftl::to_underlying(E::B) == 1); // -template <typename E> +template <typename E, typename = std::enable_if_t<std::is_enum_v<E>>> constexpr auto to_underlying(E v) { return static_cast<std::underlying_type_t<E>>(v); } |