From 2c420573d4f72aae8a559ab80220a3cf6c249394 Mon Sep 17 00:00:00 2001
From: astaxie <xiemengjun@gmail.com>
Date: Tue, 5 Aug 2014 08:56:04 +0800
Subject: [PATCH] fix #703

---
 parser.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/parser.go b/parser.go
index 01df2c4a..0d3f6b84 100644
--- a/parser.go
+++ b/parser.go
@@ -65,7 +65,9 @@ func parserPkg(pkgRealpath, pkgpath string) error {
 			for _, d := range fl.Decls {
 				switch specDecl := d.(type) {
 				case *ast.FuncDecl:
-					parserComments(specDecl.Doc, specDecl.Name.String(), fmt.Sprint(specDecl.Recv.List[0].Type.(*ast.StarExpr).X), pkgpath)
+					if specDecl.Recv != nil {
+						parserComments(specDecl.Doc, specDecl.Name.String(), fmt.Sprint(specDecl.Recv.List[0].Type.(*ast.StarExpr).X), pkgpath)
+					}
 				}
 			}
 		}