suhininalex/Context.kt

Created December 26, 2017 20:55

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 fun main(args: Array<String>) {
     Context().use {
         println(5.trueVal())
     }
 }
 fun Context.use(body: MyContext.() -> Unit){
     MyContext(this).body()
 }
 class MyContext(val context: Context) {
     fun Int.trueVal() = this + context.thruth
 }
 class Context(val thruth: Int = 42)

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