28 lines
592 B
C++
28 lines
592 B
C++
#pragma once
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#include <cstdint>
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#include <string_view>
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namespace rage
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{
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using joaat_t = std::uint32_t;
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inline constexpr char joaat_to_lower(char c)
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{
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return c >= 'A' && c <= 'Z' ? c | 1 << 5 : c;
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}
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inline constexpr joaat_t joaat(const std::string_view str)
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{
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joaat_t hash = 0;
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for (auto c : str)
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{
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hash += joaat_to_lower(c);
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hash += (hash << 10);
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hash ^= (hash >> 6);
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}
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hash += (hash << 3);
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hash ^= (hash >> 11);
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hash += (hash << 15);
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return hash;
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}
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};
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