query.go
func All(subject Enumerable, p Predicate) bool {
	done := make(chan struct{})
	defer close(done)

	return subject.Enumerate(done).All(p)
}
func All(subject Enumerable, p Predicate) bool {
	done := make(chan struct{})
	defer close(done)

	return subject.Enumerate(done).All(p)
}
func All ( subject Enumerable , p Predicate ) bool { done := make ( chan struct { } ) defer close ( done ) return subject . Enumerate ( done ) . All ( p ) }
// All tests whether or not all items present in an Enumerable meet a criteria.
All tests whether or not all items present in an Enumerable meet a criteria .