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53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03
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// <functional>
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// template<CopyConstructible Fn, CopyConstructible... Types>
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// unspecified bind(Fn, Types...);
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// template<Returnable R, CopyConstructible Fn, CopyConstructible... Types>
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// unspecified bind(Fn, Types...);
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// https://bugs.llvm.org/show_bug.cgi?id=16343
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#include <cmath>
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#include <functional>
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#include <cassert>
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struct power
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{
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template <typename T>
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T
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operator()(T a, T b)
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{
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return static_cast<T>(std::pow(a, b));
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}
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};
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struct plus_one
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{
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template <typename T>
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T
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operator()(T a)
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{
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return a + 1;
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}
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};
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int main()
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{
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using std::placeholders::_1;
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auto g = std::bind(power(), 2, _1);
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assert(g(5) == 32);
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assert(std::bind(plus_one(), g)(5) == 33);
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}
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