diff options
Diffstat (limited to 'src/common/common_funcs.h')
-rw-r--r-- | src/common/common_funcs.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h index ed20c3629..7a8dd39a0 100644 --- a/src/common/common_funcs.h +++ b/src/common/common_funcs.h @@ -4,6 +4,9 @@ #pragma once +#include <cstddef> +#include <functional> + #include "common_types.h" #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) @@ -95,3 +98,18 @@ inline u64 _rotr64(u64 x, unsigned int shift){ // This function might change the error code. // Defined in Misc.cpp. const char* GetLastErrorMsg(); + +template <typename T> +inline std::size_t hash(const T& o) { + return std::hash<T>()(o); +} + +template <typename T> +inline std::size_t combine_hash(const T& o) { + return hash(o); +} + +template <typename T, typename... Args> +inline std::size_t combine_hash(const T& o, const Args&... args) { + return hash(o) * 3 + combine_hash(args...); +} |