# Crow: include/crow/ci_map.h Source File

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ci_map.h
#pragma once
#include <locale>
#include <unordered_map>
#include "crow/utility.h"
namespace crow
{
/// Hashing function for ci_map (unordered_multimap).
struct ci_hash
{
size_t operator()(const std::string& key) const
{
std::size_t seed = 0;
std::locale locale;
for (auto c : key)
hash_combine(seed, std::toupper(c, locale));
return seed;
}
private:
static inline void hash_combine(std::size_t& seed, char v)
{
std::hash<char> hasher;
seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
}
};
/// Equals function for ci_map (unordered_multimap).
struct ci_key_eq
{
bool operator()(const std::string& l, const std::string& r) const
{
return utility::string_equals(l, r);
}
};
using ci_map = std::unordered_multimap<std::string, std::string, ci_hash, ci_key_eq>;
} // namespace crow
crow
The main namespace of the library. In this namespace is defined the most important classes and functi...
crow::ci_hash
Hashing function for ci_map (unordered_multimap).
Definition ci_map.h:11
crow::ci_key_eq
Equals function for ci_map (unordered_multimap).
Definition ci_map.h:33