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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <functional>
// template<CopyConstructible Fn, CopyConstructible... Types>
// unspecified bind(Fn, Types...);
// template<Returnable R, CopyConstructible Fn, CopyConstructible... Types>
// unspecified bind(Fn, Types...);
#include <functional>
#include <cassert>
#include "test_macros.h"
int count = 0;
template <class F>
void
test(F f)
{
int save_count = count;
f();
assert(count == save_count + 1);
}
template <class F>
void
test_const(const F& f)
{
int save_count = count;
f();
assert(count == save_count + 2);
}
void f() {++count;}
int g() {++count; return 0;}
struct A_void_0
{
void operator()() {++count;}
void operator()() const {count += 2;}
};
struct A_int_0
{
int operator()() {++count; return 4;}
int operator()() const {count += 2; return 5;}
};
int main(int, char**)
{
test(std::bind(f));
test(std::bind(&f));
test(std::bind(A_void_0()));
test_const(std::bind(A_void_0()));
test(std::bind<void>(f));
test(std::bind<void>(&f));
test(std::bind<void>(A_void_0()));
test_const(std::bind<void>(A_void_0()));
test(std::bind<void>(g));
test(std::bind<void>(&g));
test(std::bind<void>(A_int_0()));
test_const(std::bind<void>(A_int_0()));
return 0;
}
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