1 files changed, 14 insertions, 0 deletions
diff --git a/go/ast/astutil/util.go b/go/ast/astutil/util.go
new file mode 100644
index 0000000..7630629
--- /dev/null
+++ b/go/ast/astutil/util.go
@@ -0,0 +1,14 @@
+package astutil
+
+import "go/ast"
+
+// Unparen returns e with any enclosing parentheses stripped.
+func Unparen(e ast.Expr) ast.Expr {
+	for {
+		p, ok := e.(*ast.ParenExpr)
+		if !ok {
+			return e
+		}
+		e = p.X
+	}
+}