hash_fnv1a.h

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#ifndef KIDS_HASH_FNV1A_H
#define KIDS_HASH_FNV1A_H
 
#include <cstdint>
 
namespace utils {
 
constexpr uint32_t fnv1a(const char* str, uint32_t hash = 2166136261u) {
    return (*str == '\0') ? hash : fnv1a(str + 1, (hash ^ static_cast<uint32_t>(*str)) * 16777619u);
}
 
constexpr uint32_t hash(const char* str) { return fnv1a(str); }
 
};  // namespace utils
 
 
#endif  // KIDS_HASH_FNV1A_H