mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 20:53:27 +00:00
25 lines
725 B
C
25 lines
725 B
C
|
#pragma once
|
|||
|
|
|||
|
/// Множество значений булевой переменной. То есть два булевых значения: может ли быть true, может ли быть false.
|
|||
|
struct BoolMask
|
|||
|
{
|
|||
|
bool can_be_true;
|
|||
|
bool can_be_false;
|
|||
|
|
|||
|
BoolMask() {}
|
|||
|
BoolMask(bool can_be_true_, bool can_be_false_) : can_be_true(can_be_true_), can_be_false(can_be_false_) {}
|
|||
|
|
|||
|
BoolMask operator &(const BoolMask & m)
|
|||
|
{
|
|||
|
return BoolMask(can_be_true && m.can_be_true, can_be_false || m.can_be_false);
|
|||
|
}
|
|||
|
BoolMask operator |(const BoolMask & m)
|
|||
|
{
|
|||
|
return BoolMask(can_be_true || m.can_be_true, can_be_false && m.can_be_false);
|
|||
|
}
|
|||
|
BoolMask operator !()
|
|||
|
{
|
|||
|
return BoolMask(can_be_false, can_be_true);
|
|||
|
}
|
|||
|
};
|