First implementation

vendor/github.com/mattn/go-pointer/README.md

@@ -0,0 +1,29 @@
+# go-pointer
+
+Utility for cgo
+
+## Usage
+
+https://github.com/golang/proposal/blob/master/design/12416-cgo-pointers.md
+
+In go 1.6, cgo argument can't be passed Go pointer.
+
+```
+var s string
+C.pass_pointer(pointer.Save(&s))
+v := *(pointer.Restore(C.get_from_pointer()).(*string))
+```
+
+## Installation
+
+```
+go get github.com/mattn/go-pointer
+```
+
+## License
+
+MIT
+
+## Author
+
+Yasuhiro Matsumoto (a.k.a mattn)