Method emptyStack

syntax/parser.go:2417–2419

True if the group stack is empty.

()

// True if the group stack is empty.
func (p *parser) emptyStack() bool {
	return p.stack == nil
}

// Start a new round for the parser state (in response to an open paren or string start)
func (p *parser) startGroup(openGroup *RegexNode) {