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view gcc/testsuite/g++.dg/cpp2a/concepts-conv2.C @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// PR c++/94597 // { dg-do compile { target c++20 } } template <typename b, typename c> concept d = requires(b e) { e.operator c(); }; template <typename f, typename g> requires(d<f, g>) bool equal(f, g); template <typename h> struct i { i(h); operator h(); }; static_assert( d<i<float>, float>); static_assert(!d<i<float>, int>); bool fun() { i a(2.0f); return equal(a, 3.0f); }