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25 lines
725 B
C
25 lines
725 B
C
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#pragma once
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/// Множество значений булевой переменной. То есть два булевых значения: может ли быть true, может ли быть false.
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struct BoolMask
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{
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bool can_be_true;
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bool can_be_false;
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BoolMask() {}
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BoolMask(bool can_be_true_, bool can_be_false_) : can_be_true(can_be_true_), can_be_false(can_be_false_) {}
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BoolMask operator &(const BoolMask & m)
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{
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return BoolMask(can_be_true && m.can_be_true, can_be_false || m.can_be_false);
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}
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BoolMask operator |(const BoolMask & m)
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{
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return BoolMask(can_be_true || m.can_be_true, can_be_false && m.can_be_false);
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}
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BoolMask operator !()
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{
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return BoolMask(can_be_false, can_be_true);
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}
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};
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