wireless:轻量级的声明式依赖提供程序

无线的 姓名 无线-轻量级的声明式依赖提供程序 安装 gem "wireless" 概要 require "wireless" WL = Wireless . new do count = 0 # factory: return a new value every time on ( :foo ) do [ :foo , count += 1 ] end # singleton: return the cached value once ( :bar ) do [ :bar , count += 1 ] end # depend on other dependencies on ( :baz ) do | wl | [ :baz , wl [ :foo ] , wl [ :bar ] ] end end # factory W