54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <functional>
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#include <functional>
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#include "test_macros.h"
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struct Incomplete;
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template<class T> struct Holder { T t; };
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typedef Holder<Incomplete> *Ptr;
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struct A {
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Ptr no_args() const { return nullptr; }
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Ptr one_arg(Ptr p) const { return p; }
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void one_arg_void(Ptr) const { }
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};
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int main(int, char**)
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{
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A a;
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A *pa = &a;
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const A *cpa = &a;
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Ptr x = nullptr;
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const Ptr cx = nullptr;
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std::mem_fn(&A::no_args)(a);
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std::mem_fn(&A::no_args)(pa);
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std::mem_fn(&A::no_args)(*cpa);
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std::mem_fn(&A::no_args)(cpa);
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std::mem_fn(&A::one_arg)(a, x);
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std::mem_fn(&A::one_arg)(pa, x);
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std::mem_fn(&A::one_arg)(a, cx);
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std::mem_fn(&A::one_arg)(pa, cx);
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std::mem_fn(&A::one_arg)(*cpa, x);
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std::mem_fn(&A::one_arg)(cpa, x);
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std::mem_fn(&A::one_arg)(*cpa, cx);
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std::mem_fn(&A::one_arg)(cpa, cx);
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std::mem_fn(&A::one_arg_void)(a, x);
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std::mem_fn(&A::one_arg_void)(pa, x);
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std::mem_fn(&A::one_arg_void)(a, cx);
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std::mem_fn(&A::one_arg_void)(pa, cx);
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std::mem_fn(&A::one_arg_void)(*cpa, x);
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std::mem_fn(&A::one_arg_void)(cpa, x);
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std::mem_fn(&A::one_arg_void)(*cpa, cx);
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std::mem_fn(&A::one_arg_void)(cpa, cx);
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return 0;
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}
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