1package astutil
 2
 3import "go/ast"
 4
 5// Unparen returns e with any enclosing parentheses stripped.
 6func Unparen(e ast.Expr) ast.Expr {
 7	for {
 8		p, ok := e.(*ast.ParenExpr)
 9		if !ok {
10			return e
11		}
12		e = p.X
13	}
14}