func IsOperator(ch rune) bool {
	operators := []rune{'>', '<', '=', '!', '#', '?', '^', '$'}

	for _, o := range operators {
		if o == ch {
			return true
		}
	}
	return false
}
// IsOperator returns whether a char is an operator member.
IsOperator returns whether a char is an operator member.
// IsOperator returns whether a char is an operator member .
func IsOperator(ch rune) bool {
	operators := []rune{'>', '<', '=', '!', '#', '?', '^', '$'}
	for _, o := range operators {
		if o == ch {
			return true
		}
	}
	return false
}
func IsOperator ( ch rune ) bool { operators := [ ] rune { '>' , '<' , '=' , '!' , '#' , '?' , '^' , '$' } for _ , o := range operators { if o == ch { return true } } return false }
IsOperator returns whether a char is an operator member.
IsOperator returns whether a char is an operator member .