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package hamlet
import "reflect"
type Assertion struct {
value bool
}
func (a Assertion) Value() bool {
return a.value
}
// False reports whether v contains a zero value for its type.
func False(v any) Assertion {
return Assertion{reflect.ValueOf(v).IsZero()}
}
// True reports whether v contains a non-zero value for its type.
func True(v any) Assertion {
return Assertion{!reflect.ValueOf(v).IsZero()}
}
func New(v any) Assertion {
return Assertion{!reflect.ValueOf(v).IsZero()}
}
func Not(a Assertion) Assertion {
negation := !a.value
return Assertion{negation}
}
func Or(a Assertion, b Assertion) Assertion {
av := a.value
bv := b.value
return Assertion{av || bv}
}
func And(a Assertion, b Assertion) Assertion {
av := a.value
bv := b.value
return Assertion{av && bv}
}
func If(a Assertion, b Assertion) Assertion {
return Or(Not(a), b)
}
func Iff(a Assertion, b Assertion) Assertion {
return And(If(a, b), If(b, a))
}
func Xor(a Assertion, b Assertion) Assertion {
return Not(Iff(a, b))
}
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