とりあえずbuildできるところまではきた. deadlockしてしまう.

gistfile1.go

package main

import (
    //"reflect"
	"fmt"
)

type T interface{} 
type S interface{}
type U struct {
    t T
    s S
}


func chzip(ch1 chan T, ch2 chan S) chan U {
	var u = make(chan U, 100)
	go func() {
        var v1 T
        var v2 S
		var ok1, ok2 bool
		for {
			select {
			case v1, ok1 = <-ch1:
				if !ok1 {
					close(u)
					return
				}
				v2, ok2 = <-ch2
				if !ok2 {
					close(u)
					return
				}
			case v2, ok2 = <-ch2:
				if !ok2 {
					close(u)
					return
				}
				v1, ok1 = <-ch1
				if !ok1 {
					close(u)
					return
				}
			}
            u <- U{v1, v2}
		}

	}()
	return u
}

func main() {
	ch1 := make(chan int, 100)
	ch2 := make(chan int, 100)

    var c1 chan T
    var c2 chan S
    c1, _ = interface{}(ch1).(chan T)
    c2, _ = interface{}(ch2).(chan S)
    ch3 := chzip(c1, c2)
    
    go func() {
        for i := 0; i < 10; i++{
            ch1<- i
        }
        close(ch1)
    }()

    go func() {
        for i := 100; i < 300; i+=10 {
            ch2 <- i
        }
        close(ch2)
    }()
    
    fmt.Println("hello interface")

    for v := range ch3 {
    	fmt.Println(v)  
    }
    
    
}