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// main.swift
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2018 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
// -----------------------------------------------------------------------------
func use<T>(_ t : T) {}
func single<T>(_ t : T) {
let x = t
use(x) //% self.expect('expr -d run-target -- t', substrs=['hello'])
//% self.expect('expr -d run-target -- x', substrs=['hello'])
//% self.expect('fr var -d run-target t', substrs=['String', 'hello'])
//% self.expect('fr var -d run-target x', substrs=['hello'])
}
func string_tuple<T, U>(_ t : (T, U)) {
let (_, y) = t
use(y) //% self.expect('expr -d run-target -- t', substrs=['hello', 'hello'])
//% self.expect('expr -d run-target -- y', substrs=['hello'])
//% self.expect('fr var -d run-target t',
//% substrs=['(String, String)', 'hello', 'hello'])
//% self.expect('fr var -d run-target y', substrs=['hello'])
}
func int_tuple<T, U>(_ t : (T, U)) {
let (_, y) = t
use(y) //% self.expect('expr -d run-target -- t',
//% substrs=['(Int32, Int64)', '111', '222'])
//% self.expect('expr -d run-target -- y', substrs=['222'])
//% self.expect('fr var -d run-target t',
//% substrs=['(Int32, Int64)', '111', '222'])
//% self.expect('fr var -d run-target y', substrs=['222'])
}
let s = "hello"
single(s)
string_tuple((s, s))
int_tuple((Int32(111), Int64(222)))
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