package main

import(
        "reflect"
)

type StandsOut int // so we can grep for it

func main() {
        var a chan (<-chan StandsOut)
        var b chan<- (chan StandsOut)
        var c <-chan (<-chan StandsOut)
        ta := reflect.ChanOf(
                reflect.BothDir, reflect.ChanOf(
                        reflect.RecvDir, reflect.TypeOf(StandsOut(0)),
                ),
        )
        tb := reflect.ChanOf(
                reflect.SendDir, reflect.ChanOf(
                        reflect.BothDir, reflect.TypeOf(StandsOut(0)),
                ),
        )
        tc := reflect.ChanOf(
                reflect.RecvDir, reflect.ChanOf(
                        reflect.RecvDir, reflect.TypeOf(StandsOut(0)),
                ),
        )
        println("ta == reflect.TypeOf(a)", ta == reflect.TypeOf(a))
        println("tb == reflect.TypeOf(b)", tb == reflect.TypeOf(b))
        println("tc == reflect.TypeOf(c)", tc == reflect.TypeOf(c))
}