rewrite checkpoint

vendor/github.com/cheekybits/genny/parse/doc.go

@@ -0,0 +1,14 @@
+// Package parse contains the generic code generation capabilities
+// that power genny.
+//
+//     genny gen "{types}"
+//
+//     gen - generates type specific code (to stdout) from generic code (via stdin)
+//
+//     {types}  - (required) Specific types for each generic type in the source
+//     {types} format:  {generic}={specific}[,another][ {generic2}={specific2}]
+//     Examples:
+//       Generic=Specific
+//       Generic1=Specific1 Generic2=Specific2
+//       Generic1=Specific1,Specific2 Generic2=Specific3,Specific4
+package parse