diff options
| author | Chris Robinson <[email protected]> | 2019-09-20 10:59:12 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2019-09-20 10:59:12 -0700 |
| commit | 79a621ac47e01ad886bc7b4284e514d736650e6d (patch) | |
| tree | 50b3efb5b28b96281c56dfc503858ad587004706 /common | |
| parent | b9daffe1590b12b103f9706dfb0a440b629f3c49 (diff) | |
Simplify some REQUIRES uses
Diffstat (limited to 'common')
| -rw-r--r-- | common/albyte.h | 2 | ||||
| -rw-r--r-- | common/alspan.h | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/common/albyte.h b/common/albyte.h index 798d136d..23864636 100644 --- a/common/albyte.h +++ b/common/albyte.h @@ -13,7 +13,7 @@ namespace al { */ enum class byte : unsigned char { }; -#define REQUIRES(...) typename std::enable_if<(__VA_ARGS__),int>::type = 0 +#define REQUIRES(...) typename std::enable_if<(__VA_ARGS__),bool>::type = true template<typename T, REQUIRES(std::is_integral<T>::value)> inline constexpr T to_integer(al::byte b) noexcept { return T(b); } diff --git a/common/alspan.h b/common/alspan.h index 4fe0f111..2e0fb027 100644 --- a/common/alspan.h +++ b/common/alspan.h @@ -74,7 +74,7 @@ namespace detail_ { : std::true_type { }; } // namespace detail_ -#define REQUIRES(...) typename std::enable_if<(__VA_ARGS__),int>::type = 0 +#define REQUIRES(...) bool rt_=true, typename std::enable_if<rt_ && (__VA_ARGS__),bool>::type = true #define USABLE_CONTAINER_DATA(...) \ std::is_convertible<typename std::remove_pointer<decltype(al::data(std::declval<__VA_ARGS__>()))>::type(*)[],element_type(*)[]>::value #define IS_VALID_CONTAINER(C) \ @@ -104,13 +104,13 @@ public: static constexpr size_t extent{E}; - template<bool allow_def=(extent==0), REQUIRES(allow_def)> + template<REQUIRES(extent==0)> constexpr span() noexcept { } constexpr span(pointer ptr, index_type /*count*/) : mData{ptr} { } constexpr span(pointer first, pointer /*last*/) : mData{first} { } constexpr span(element_type (&arr)[E]) noexcept : span{al::data(arr), al::size(arr)} { } constexpr span(std::array<value_type,E> &arr) noexcept : span{al::data(arr), al::size(arr)} { } - template<bool is_const=std::is_const<element_type>::value, REQUIRES(is_const)> + template<REQUIRES(std::is_const<element_type>::value)> constexpr span(const std::array<value_type,E> &arr) noexcept : span{al::data(arr), al::size(arr)} { } template<typename U, REQUIRES(IS_VALID_CONTAINER(U))> constexpr span(U &cont) : span{al::data(cont), al::size(cont)} { } @@ -204,7 +204,7 @@ public: constexpr span(element_type (&arr)[N]) noexcept : span{al::data(arr), al::size(arr)} { } template<size_t N> constexpr span(std::array<value_type,N> &arr) noexcept : span{al::data(arr), al::size(arr)} { } - template<size_t N, bool is_const=std::is_const<element_type>::value, REQUIRES(is_const)> + template<size_t N, REQUIRES(std::is_const<element_type>::value)> constexpr span(const std::array<value_type,N> &arr) noexcept : span{al::data(arr), al::size(arr)} { } template<typename U, REQUIRES(IS_VALID_CONTAINER(U))> constexpr span(U &cont) : span{al::data(cont), al::size(cont)} { } |