8b29b84c99
https://cplusplus.github.io/LWG/issue3422 Also add a static_assert to check the "Mandates:" on the iterator-pair constructor. Oddly, the `InputIterator` parameter itself is merely preconditioned, not constrained, to satisfy the input iterator requirements. Also drive-by rename `init` to `__init`. Differential Revision: https://reviews.llvm.org/D117962
31 lines
940 B
C++
31 lines
940 B
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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// <random>
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// class seed_seq;
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// template<class InputIterator>
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// seed_seq(InputIterator begin, InputIterator end);
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// Mandates: iterator_traits<InputIterator>::value_type is an integer type.
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#include <random>
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void test()
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{
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{
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bool a[2] = {true, false};
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std::seed_seq s(a, a+2); // OK
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}
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{
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double a[2] = {1, 2};
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std::seed_seq s(a, a+2); // expected-error@*:* {{Mandates: iterator_traits<InputIterator>::value_type is an integer type}}
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// expected-error@*:* {{invalid operands to binary expression ('double' and 'unsigned int')}}
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}
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}
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