derek.holloway
7502bf64a4
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83 lines
4.0 KiB
C++
83 lines
4.0 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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//
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// __libcpp_is_referenceable<Tp>
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//
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// [defns.referenceable] defines "a referenceable type" as:
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// An object type, a function type that does not have cv-qualifiers
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// or a ref-qualifier, or a reference type.
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//
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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struct Foo {};
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static_assert((!std::__libcpp_is_referenceable<void>::value), "");
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static_assert((std::__libcpp_is_referenceable<int>::value), "");
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static_assert((std::__libcpp_is_referenceable<int[3]>::value), "");
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static_assert((std::__libcpp_is_referenceable<int[]>::value), "");
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static_assert((std::__libcpp_is_referenceable<int&>::value), "");
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static_assert((std::__libcpp_is_referenceable<const int&>::value), "");
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static_assert((std::__libcpp_is_referenceable<int*>::value), "");
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static_assert((std::__libcpp_is_referenceable<const int*>::value), "");
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static_assert((std::__libcpp_is_referenceable<Foo>::value), "");
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static_assert((std::__libcpp_is_referenceable<const Foo>::value), "");
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static_assert((std::__libcpp_is_referenceable<Foo&>::value), "");
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static_assert((std::__libcpp_is_referenceable<const Foo&>::value), "");
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static_assert((std::__libcpp_is_referenceable<int __attribute__((__vector_size__(8)))>::value), "");
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static_assert((std::__libcpp_is_referenceable<const int __attribute__((__vector_size__(8)))>::value), "");
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static_assert((std::__libcpp_is_referenceable<float __attribute__((__vector_size__(16)))>::value), "");
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static_assert((std::__libcpp_is_referenceable<const float __attribute__((__vector_size__(16)))>::value), "");
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// Functions without cv-qualifiers are referenceable
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static_assert((std::__libcpp_is_referenceable<void()>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(int)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(int, float)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(int, float, Foo&)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(int, ...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(int, float, ...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void(int, float, Foo&, ...)>::value), "");
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// member functions with or without cv-qualifiers are referenceable
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)()>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)() const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int) const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float) const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&) const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(...) const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, ...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, ...) const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, ...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, ...) const>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&, ...)>::value), "");
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static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&, ...) const>::value), "");
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