Method copy

index/regexp.go:855–857

copy returns a copy of the set that does not share storage with the original.

()

// copy returns a copy of the set that does not share storage with the original.
func (s stringSet) copy() stringSet {
	return append(stringSet{}, s...)
}

// isSubsetOf returns true if all strings in s are also in t.
// It assumes both sets are sorted.