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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// REQUIRES: fcoroutines-ts
// RUN: %build -fcoroutines-ts
// RUN: %run
#include <experimental/coroutine>
#include <cassert>
using namespace std::experimental;
struct coro_t {
struct promise_type {
coro_t get_return_object() {
coroutine_handle<promise_type>{};
return {};
}
suspend_never initial_suspend() { return {}; }
suspend_never final_suspend() { return {}; }
void return_void(){}
static void unhandled_exception() {}
};
};
struct B {
~B() {}
bool await_ready() { return true; }
B await_resume() { return {}; }
template <typename F> void await_suspend(F) {}
};
struct A {
~A(){}
bool await_ready() { return true; }
int await_resume() { return 42; }
template <typename F> void await_suspend(F) {}
};
int last_value = -1;
void set_value(int x) {
last_value = x;
}
coro_t f(int n) {
if (n == 0) {
set_value(0);
co_return;
}
int val = co_await A{};
set_value(42);
}
coro_t g() { B val = co_await B{}; }
int main() {
last_value = -1;
f(0);
assert(last_value == 0);
f(1);
assert(last_value == 42);
}
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