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29 行
693 B
29 行
693 B
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namespace AxelF {
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[System.Serializable]
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public struct TernaryBool {
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int value;
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public override bool Equals(object o) {
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return o is TernaryBool ? ((TernaryBool) o).value == value : false;
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}
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public override int GetHashCode() {
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return (value + 2) * 0x1357;
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}
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public bool ToBool(bool polarity) {
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return polarity ? value > 0 : value < 0;
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}
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public static implicit operator TernaryBool(bool b) {
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return new TernaryBool {value = (b ? 1 : -1)};
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}
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public static bool operator ==(TernaryBool a, bool b) { return a.ToBool(b); }
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public static bool operator !=(TernaryBool a, bool b) { return !a.ToBool(b); }
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}
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} // AxelF
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