const go/token.ADD_ASSIGN

6 uses

	go/token (current package)
		token.go#L51: 	ADD_ASSIGN // +=
		token.go#L160: 	ADD_ASSIGN: "+=",

	go/parser
		parser.go#L1920: 		token.DEFINE, token.ASSIGN, token.ADD_ASSIGN,

	go/scanner
		scanner.go#L882: 			tok = s.switch3(token.ADD, token.ADD_ASSIGN, '+', token.INC)

	go/types
		stmt.go#L165: 	if token.ADD_ASSIGN <= op && op <= token.AND_NOT_ASSIGN {
		stmt.go#L166: 		return op + (token.ADD - token.ADD_ASSIGN)