add go report card

davecheney · davecheney · commit d363daa49f58 · 2016-04-24T21:18:34.000+09:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.png)](http://godoc.org/github.com/pkg/errors)
+# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.png)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors)
 
 Package errors implements functions for manipulating errors.
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.png)](http://godoc.org/github.com/pkg/errors)`
	`1`	`+# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.png)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors)`
`2`	`2`
`3`	`3`	`Package errors implements functions for manipulating errors.`
`4`	`4`