readme: goreportcard updates

Author: someone1

README.md

@@ -1,4 +1,4 @@
-# gcp-jwt-go (v2) [![GoDoc](https://godoc.org/gopkg.in/someone1/gcp-jwt-go.v2?status.svg)](https://godoc.org/gopkg.in/someone1/gcp-jwt-go.v2) [![Go Report Card](https://goreportcard.com/badge/github.com/someone1/gcp-jwt-go)](https://goreportcard.com/report/github.com/someone1/gcp-jwt-go) [![Build Status](https://travis-ci.org/someone1/gcp-jwt-go.svg?branch=v2)](https://travis-ci.org/someone1/gcp-jwt-go) [![Coverage Status](https://coveralls.io/repos/github/someone1/gcp-jwt-go/badge.svg?branch=v2)](https://coveralls.io/github/someone1/gcp-jwt-go?branch=v2)
+# gcp-jwt-go (v2) [![GoDoc](https://godoc.org/gopkg.in/someone1/gcp-jwt-go.v2?status.svg)](https://godoc.org/gopkg.in/someone1/gcp-jwt-go.v2) [![Go Report Card](https://goreportcard.com/badge/gopkg.in/someone1/gcp-jwt-go.v2)](https://goreportcard.com/report/gopkg.in/someone1/gcp-jwt-go.v2) [![Build Status](https://travis-ci.org/someone1/gcp-jwt-go.svg?branch=v2)](https://travis-ci.org/someone1/gcp-jwt-go) [![Coverage Status](https://coveralls.io/repos/github/someone1/gcp-jwt-go/badge.svg?branch=v2)](https://coveralls.io/github/someone1/gcp-jwt-go?branch=v2)
 
 Google Cloud Platform (KMS, IAM & AppEngine) jwt-go implementations
 

config.go

@@ -12,7 +12,11 @@ import (
 type iamType int
 
 const (
+	// IAMBlobType is used as a hint in the config to let various parts of the library know you intend to use the
+	// signBlob IAM API.
 	IAMBlobType iamType = iota + 1
+	// IAMJwtType is used as a hint in the config to let various parts of the library know you intend to use the
+	// signJwt IAM API.
 	IAMJwtType
 )
 
@@ -59,12 +63,12 @@ type IAMConfig struct {
 	gcpConfig
 }
 
-// NewContext returns a new context.Context that carries a provided IAMConfig value
+// NewIAMContext returns a new context.Context that carries a provided IAMConfig value
 func NewIAMContext(parent context.Context, val *IAMConfig) context.Context {
 	return context.WithValue(parent, iamConfigKey{}, val)
 }
 
-// FromContext extracts a IAMConfig from a context.Context
+// IAMFromContext extracts a IAMConfig from a context.Context
 func IAMFromContext(ctx context.Context) (*IAMConfig, bool) {
 	val, ok := ctx.Value(iamConfigKey{}).(*IAMConfig)
 	return val, ok

iam.go

@@ -73,7 +73,7 @@ func (s *signingMethodIAM) Sign(signingString string, key interface{}) (string,
 	return s.sign(iamService, config, signingString)
 }
 
-// Keyfunc is a helper meant that returns a jwt.Keyfunc. It will handle pulling and selecting the certificates
+// VerfiyKeyfunc is a helper meant that returns a jwt.Keyfunc. It will handle pulling and selecting the certificates
 // to verify signatures with, caching when enabled.
 func VerfiyKeyfunc(ctx context.Context, config *IAMConfig) jwt.Keyfunc {
 	return func(token *jwt.Token) (interface{}, error) {