summaryrefslogtreecommitdiff
path: root/zen/stl_tools.h
diff options
context:
space:
mode:
authorDaniel Wilhelm <shieldwed@outlook.com>2018-06-30 12:43:08 +0200
committerDaniel Wilhelm <shieldwed@outlook.com>2018-06-30 12:43:08 +0200
commita98326eb2954ac1e79f5eac28dbeab3ec15e047f (patch)
treebb16257a1894b488e365851273735ec13a9442ef /zen/stl_tools.h
parent10.0 (diff)
downloadFreeFileSync-a98326eb2954ac1e79f5eac28dbeab3ec15e047f.tar.gz
FreeFileSync-a98326eb2954ac1e79f5eac28dbeab3ec15e047f.tar.bz2
FreeFileSync-a98326eb2954ac1e79f5eac28dbeab3ec15e047f.zip
10.1
Diffstat (limited to 'zen/stl_tools.h')
-rwxr-xr-xzen/stl_tools.h34
1 files changed, 10 insertions, 24 deletions
diff --git a/zen/stl_tools.h b/zen/stl_tools.h
index f09639e1..2ce2cf33 100755
--- a/zen/stl_tools.h
+++ b/zen/stl_tools.h
@@ -12,7 +12,7 @@
#include <vector>
#include <memory>
#include <algorithm>
-#include "type_tools.h"
+#include "type_traits.h"
#include "build_info.h"
@@ -54,10 +54,6 @@ template <class BidirectionalIterator1, class BidirectionalIterator2>
BidirectionalIterator1 search_last(BidirectionalIterator1 first1, BidirectionalIterator1 last1,
BidirectionalIterator2 first2, BidirectionalIterator2 last2);
-template <class InputIterator1, class InputIterator2>
-bool equal(InputIterator1 first1, InputIterator1 last1,
- InputIterator2 first2, InputIterator2 last2);
-
template <class Num, class ByteIterator> Num hashBytes (ByteIterator first, ByteIterator last);
template <class Num, class ByteIterator> Num hashBytesAppend(Num hashVal, ByteIterator first, ByteIterator last);
@@ -69,7 +65,7 @@ struct StringHash
{
const auto* strFirst = strBegin(str);
return hashBytes<size_t>(reinterpret_cast<const char*>(strFirst),
- reinterpret_cast<const char*>(strFirst + strLength(str)));
+ reinterpret_cast<const char*>(strFirst + strLength(str)));
}
};
@@ -181,35 +177,25 @@ BidirectionalIterator1 search_last(const BidirectionalIterator1 first1, Bi
}
-template <class InputIterator1, class InputIterator2> inline
-bool equal(InputIterator1 first1, InputIterator1 last1,
- InputIterator2 first2, InputIterator2 last2)
-{
- return last1 - first1 == last2 - first2 && std::equal(first1, last1, first2);
-}
-
-
-
-
//FNV-1a: http://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function
template <class Num, class ByteIterator> inline
-Num hashBytes(ByteIterator first, ByteIterator last)
+Num hashBytes(ByteIterator first, ByteIterator last)
{
- static_assert(std::is_integral<Num>::value, "");
- static_assert(sizeof(Num) == 4 || sizeof(Num) == 8, ""); //macOS: size_t is "unsigned long"
- const Num base = sizeof(Num) == 4 ? 2166136261U : 14695981039346656037ULL;
+ static_assert(IsInteger<Num>::value);
+ static_assert(sizeof(Num) == 4 || sizeof(Num) == 8); //macOS: size_t is "unsigned long"
+ constexpr Num base = sizeof(Num) == 4 ? 2166136261U : 14695981039346656037ULL;
- return hashBytesAppend(base, first, last);
+ return hashBytesAppend(base, first, last);
}
template <class Num, class ByteIterator> inline
Num hashBytesAppend(Num hashVal, ByteIterator first, ByteIterator last)
{
- static_assert(sizeof(typename std::iterator_traits<ByteIterator>::value_type) == 1, "");
- const Num prime = sizeof(Num) == 4 ? 16777619U : 1099511628211ULL;
+ static_assert(sizeof(typename std::iterator_traits<ByteIterator>::value_type) == 1);
+ constexpr Num prime = sizeof(Num) == 4 ? 16777619U : 1099511628211ULL;
- for (; first != last; ++first)
+ for (; first != last; ++first)
{
hashVal ^= static_cast<Num>(*first);
hashVal *= prime;
bgstack15