tri11paragon
/
BLT
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

check for func

v1
Brett 2024-08-11 13:33:40 -04:00
parent 99e735b760
commit 4327b34c84
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
CMakeLists.txt
View File

@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.20) cmake_minimum_required(VERSION 3.20)
include(cmake/color.cmake) include(cmake/color.cmake)
set(BLT_VERSION 0.18.27) set(BLT_VERSION 0.18.28)
set(BLT_TEST_VERSION 0.0.1) set(BLT_TEST_VERSION 0.0.1)
set(BLT_TARGET BLT) set(BLT_TARGET BLT)

12
include/blt/std/meta.h
View File

@ -65,7 +65,7 @@ namespace blt::meta
lambda_helper(Lambda) -> lambda_helper<Lambda, decltype(&Lambda::operator())>; lambda_helper(Lambda) -> lambda_helper<Lambda, decltype(&Lambda::operator())>;
// https://stackoverflow.com/questions/66397071/is-it-possible-to-check-if-overloaded-operator-for-type-or-class-exists // https://stackoverflow.com/questions/66397071/is-it-possible-to-check-if-overloaded-operator-for-type-or-class-exists
template<class T> template<typename T>
class is_streamable class is_streamable
{ {
private: private:
@ -87,6 +87,16 @@ namespace blt::meta
template<class T> template<class T>
inline constexpr bool is_streamable_v = is_streamable<T>::value; inline constexpr bool is_streamable_v = is_streamable<T>::value;
#define BLT_META_MAKE_FUNCTION_CHECK(FUNC, ...)\
template<typename T, typename = void> \
class has_func_##FUNC : public std::false_type \
{}; \
template<typename T> \
class has_func_##FUNC<T, std::void_t<decltype(std::declval<T>().drop(,##__VA_ARGS__))>> : public std::true_type \
{}; \
template<typename T> \
inline constexpr bool has_func_##FUNC##_v = has_func_##FUNC<T>::value; \
} }