Function CompareString

runtime/sam/expr/boolean.go:179–198

(op string, pattern []byte)

}

func CompareString(op string, pattern []byte) (Boolean, error) {
	compare, ok := compareString[op]
	if !ok {
		return nil, fmt.Errorf("unknown string comparator: %s", op)
	}
	s := string(pattern)
	return func(val super.Value) super.Value {
		val = val.Under()
		if val.IsNull() {
			return super.Null
		}
		if val.IsError() {
			return val
		}
		if val.Type().ID() == super.IDString {
			return super.NewBool(compare(byteconv.UnsafeString(val.Bytes()), s))
		}
		return super.False
	}, nil
}

var compareBytes = map[string]func([]byte, []byte) bool{
	"==": func(a, b []byte) bool { return bytes.Equal(a, b) },