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nor.go
42 lines (30 loc) · 756 Bytes
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nor.go
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package bools
func nor(a, b bool) bool {
return !(a || b)
}
// Use only Nor
type NorCore struct{}
var _ Core = NorCore{}
func (NorCore) Not(a bool) bool {
return nor(a, a)
}
func (NorCore) Or(a, b bool) bool {
return nor(nor(a, b), nor(a, b))
}
func (NorCore) And(a, b bool) bool {
return nor(nor(a, a), nor(b, b))
}
func (NorCore) Nor(a, b bool) bool {
return nor(a, b)
}
func (NorCore) Nand(a, b bool) bool {
// return nor(nor(nor(a, a), nor(b, b)), nor(nor(a, a), nor(b, b)))
c := nor(nor(a, a), nor(b, b)) // and
return nor(c, c) // not
}
func (NorCore) Xor(a, b bool) bool {
return nor(nor(a, b), nor(nor(a, a), nor(b, b)))
}
func (NorCore) Xnor(a, b bool) bool {
return nor(nor(nor(a, a), b), nor(a, nor(b, b)))
}