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| author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2019-05-08 18:27:29 -0400 |
|---|---|---|
| committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-06-20 21:36:12 -0300 |
| commit | b347543e8341ae323ea232d47df2c144fe21c739 (patch) | |
| tree | ca0e48c61dea6e78b073a885ec4e5f96755f7cc1 /src/common/common_funcs.h | |
| parent | 4e2071b6d9b414fa0152deb5e9d55674d636afe4 (diff) | |
Reduce amount of size calculations.
Diffstat (limited to 'src/common/common_funcs.h')
| -rw-r--r-- | src/common/common_funcs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h index 8b0d34da6..00a5698f3 100644 --- a/src/common/common_funcs.h +++ b/src/common/common_funcs.h @@ -4,6 +4,7 @@ #pragma once +#include <algorithm> #include <string> #if !defined(ARCHITECTURE_x86_64) @@ -60,4 +61,14 @@ constexpr u32 MakeMagic(char a, char b, char c, char d) { return a | b << 8 | c << 16 | d << 24; } +template <class ForwardIt, class T, class Compare = std::less<>> +ForwardIt BinaryFind(ForwardIt first, ForwardIt last, const T& value, Compare comp = {}) { + // Note: BOTH type T and the type after ForwardIt is dereferenced + // must be implicitly convertible to BOTH Type1 and Type2, used in Compare. + // This is stricter than lower_bound requirement (see above) + + first = std::lower_bound(first, last, value, comp); + return first != last && !comp(value, *first) ? first : last; +} + } // namespace Common |