| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <functional> |
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| 10 | |
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| 11 | // template<Returnable S, ClassType T> |
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| 12 | // mem_fun_ref_t<S,T> |
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| 13 | // mem_fun_ref(S (T::*f)()); |
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| 14 | |
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| 15 | // REQUIRES: c++03 || c++11 || c++14 |
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| 16 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS |
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| 17 | |
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| 18 | #include <functional> |
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| 19 | #include <cassert> |
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| 20 | |
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| 21 | #include "test_macros.h" |
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| 22 | |
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| 23 | struct A |
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| 24 | { |
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| 25 | char a1() {return 5;} |
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| 26 | short a2(int i) {return short(i+1);} |
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| 27 | int a3() const {return 1;} |
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| 28 | double a4(unsigned i) const {return i-1;} |
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| 29 | }; |
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| 30 | |
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| 31 | int main(int, char**) |
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| 32 | { |
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| 33 | A a; |
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| 34 | assert(std::mem_fun_ref(&A::a1)(a) == 5); |
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| 35 | |
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| 36 | return 0; |
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| 37 | } |
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| 38 | |
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