diff options
Diffstat (limited to 'llvm/include/llvm/ADT/STLExtras.h')
| -rw-r--r-- | llvm/include/llvm/ADT/STLExtras.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/include/llvm/ADT/STLExtras.h b/llvm/include/llvm/ADT/STLExtras.h index 807ec59061d..5b7b88b9008 100644 --- a/llvm/include/llvm/ADT/STLExtras.h +++ b/llvm/include/llvm/ADT/STLExtras.h @@ -530,6 +530,13 @@ make_unique(size_t n) { #endif +template<typename First, typename Second> +struct pair_hash { + size_t operator()(const std::pair<First, Second> &P) const { + return std::hash<First>()(P.first) * 31 + std::hash<Second>()(P.second); + } +}; + } // End llvm namespace #endif |
