const go/token.AND_ASSIGN

4 uses

	go/token (current package)
		token.go#L57: 	AND_ASSIGN     // &=
		token.go#L166: 	AND_ASSIGN:     "&=",

	go/parser
		parser.go#L1922: 		token.REM_ASSIGN, token.AND_ASSIGN, token.OR_ASSIGN,

	go/scanner
		scanner.go#L937: 				tok = s.switch3(token.AND, token.AND_ASSIGN, '&', token.LAND)