func go/parser.unparen

6 uses

	go/parser (current package)
		parser.go#L1603: 	switch unparen(x).(type) {
		parser.go#L1634: func unparen(x ast.Expr) ast.Expr {
		parser.go#L1636: 		x = unparen(p.X)
		parser.go#L1645: 	switch t := unparen(x).(type) {
		parser.go#L1697: 			t := unparen(x)
		resolver.go#L233: 		expr := unparen(expr)