const go/token.COMMENT

7 uses

	go/token (current package)
		token.go#L23: 	COMMENT
		token.go#L138: 	COMMENT: "COMMENT",

	go/parser
		parser.go#L156: 		if p.tok == token.COMMENT {
		parser.go#L205: 	for p.tok == token.COMMENT && p.lineFor(p.pos) <= endline+n {
		parser.go#L238: 	if p.tok == token.COMMENT {
		parser.go#L255: 		for p.tok == token.COMMENT {

	go/scanner
		scanner.go#L919: 				tok = token.COMMENT