andreychernih/railsbox

package main

import "fmt"

var alphabet = "abcdefghijklmnopqrstuvwxyz"
var template = "https://rubygems.org/api/v1/search.json?query=%c"

func SearchGenerator() <-chan string {
    ch := make(chan string)
    go func() {
        for _, letter := range alphabet {
            ch <- fmt.Sprintf(template, letter)
        }
        close(ch)
    }()
    return ch
}