Implement a reference iterator

Wrap the reference iterators, and provide a Iter() function to get
them through a channel.

1 files changed, 5 insertions, 0 deletions

diff --git a/git.go b/git.go
index fdc640a..19f4a32 100644
--- a/git.go
+++ b/git.go
@@ -8,6 +8,7 @@ package git
 import "C"
 import (
 	"bytes"
+	"errors"
 	"unsafe"
 	"strings"
 )
@@ -18,6 +19,10 @@ const (
 	ENOTFOUND = C.GIT_ENOTFOUND
 )
 
+var (
+	ErrIterOver = errors.New("Iteration is over")
+)
+
 func init() {
 	C.git_threads_init()
 }