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Microsoft Visual C++ fixes in hashlib; template specializations on int32_t and int64_t.

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This commit is contained in:
Andrei Errapart 2015-08-24 22:49:23 +02:00 • committed by Clifford Wolf
parent 744a5333f5
commit 09176bcf3f
1 changed files with 8 additions and 6 deletions
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14
kernel/hashlib.h
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@ -63,18 +63,21 @@ struct hash_int_ops {
static inline bool cmp(T a, T b) {
return a == b;
}
};
template<> struct hash_ops<int32_t> : hash_int_ops
{
static inline unsigned int hash(int32_t a) {
return a;
}
};
template<> struct hash_ops<int64_t> : hash_int_ops
{
static inline unsigned int hash(int64_t a) {
return mkhash(a, a >> 32);
}
};
template<> struct hash_ops<int> : hash_int_ops {};
template<> struct hash_ops<long> : hash_int_ops {};
template<> struct hash_ops<long long> : hash_int_ops {};
template<> struct hash_ops<std::string> {
static inline bool cmp(const std::string &a, const std::string &b) {
return a == b;
@ -118,10 +121,9 @@ template<typename T> struct hash_ops<std::vector<T>> {
return a == b;
}
static inline unsigned int hash(std::vector<T> a) {
hash_ops<T> t_ops;
unsigned int h = mkhash_init;
for (auto k : a)
h = mkhash(h, t_ops.hash(k));
h = mkhash(h, hash_ops<T>::hash(k));
return h;
}
};