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- <p>Detection idiom based on WG21's N4502 [<a class="el" href="detection_8h.html#n4502">n4502</a> 1] from Walter E. Brown.
- <a href="#details">More...</a></p>
- <div class="textblock"><code>#include <<a class="el" href="impl_8h_source.html">utl/core/impl.h</a>></code><br />
- <code>#include <<a class="el" href="operations_8h_source.html">utl/meta/operations.h</a>></code><br />
- <code>#include <type_traits></code><br />
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- <tr class="memitem:gac16d50de47cf57734433e9ea636522c5"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__detection.html#gac16d50de47cf57734433e9ea636522c5">utl::meta::void_</a> = void</td></tr>
- <tr class="memdesc:gac16d50de47cf57734433e9ea636522c5"><td class="mdescLeft"> </td><td class="mdescRight">void_ type alias <a href="group__detection.html#gac16d50de47cf57734433e9ea636522c5">More...</a><br /></td></tr>
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- <tr class="memitem:gae7373c997420d16cf37e542eb3cfa3ad"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">utl::meta::void_t</a> = void</td></tr>
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- <tr class="memitem:a835827cb3116483228d6f7f774b68970"><td class="memTemplParams" colspan="2">template<typename Default , template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:a835827cb3116483228d6f7f774b68970"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta_1_1detail.html#a835827cb3116483228d6f7f774b68970">utl::meta::detail::detected_or</a> = detector< Default, void, Op, Args... ></td></tr>
- <tr class="memdesc:a835827cb3116483228d6f7f774b68970"><td class="mdescLeft"> </td><td class="mdescRight">helper for detected_or_t <a href="namespaceutl_1_1meta_1_1detail.html#a835827cb3116483228d6f7f774b68970">More...</a><br /></td></tr>
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- <tr class="memitem:a5329219a9d2f195421a78d8e07873507"><td class="memTemplParams" colspan="2">template<template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:a5329219a9d2f195421a78d8e07873507"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a5329219a9d2f195421a78d8e07873507">utl::meta::is_detected</a> = typename detail::detector< nat_, void, Op, Args... >::detected</td></tr>
- <tr class="separator:a5329219a9d2f195421a78d8e07873507"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:aa654a286b3bc8e6d8116ee1f57087110"><td class="memTemplParams" colspan="2">template<template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:aa654a286b3bc8e6d8116ee1f57087110"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#aa654a286b3bc8e6d8116ee1f57087110">utl::meta::detected_t</a> = eval< detail::detector< nat_, void, Op, Args... > ></td></tr>
- <tr class="separator:aa654a286b3bc8e6d8116ee1f57087110"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:a8fd055bc6c6c3b1d551e9605aa35644c"><td class="memTemplParams" colspan="2">template<typename Default , template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:a8fd055bc6c6c3b1d551e9605aa35644c"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a8fd055bc6c6c3b1d551e9605aa35644c">utl::meta::detected_or_t</a> = eval< detail::detected_or< Default, Op, Args... > ></td></tr>
- <tr class="separator:a8fd055bc6c6c3b1d551e9605aa35644c"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:ad5224ef66e8f40efaaf3ad3d605dd629"><td class="memTemplParams" colspan="2">template<typename Expected , template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:ad5224ef66e8f40efaaf3ad3d605dd629"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#ad5224ef66e8f40efaaf3ad3d605dd629">utl::meta::is_detected_exact</a> = eval< same_< Expected, detected_t< Op, Args... > > ></td></tr>
- <tr class="separator:ad5224ef66e8f40efaaf3ad3d605dd629"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:afa24702fa15a1d0a8a05761c54b79def"><td class="memTemplParams" colspan="2">template<typename To , template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:afa24702fa15a1d0a8a05761c54b79def"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#afa24702fa15a1d0a8a05761c54b79def">utl::meta::is_detected_convertible</a> = eval< std::is_convertible< detected_t< Op, Args... >, To > ></td></tr>
- <tr class="separator:afa24702fa15a1d0a8a05761c54b79def"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:a4f3184ccb8e8ba2a78e2d2e83a0b9885"><td class="memTemplParams" colspan="2">template<template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:a4f3184ccb8e8ba2a78e2d2e83a0b9885"><td class="memTemplItemLeft" align="right" valign="top">constexpr bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a4f3184ccb8e8ba2a78e2d2e83a0b9885">utl::meta::is_detected_v</a> = is_detected<Op, Args...>::value</td></tr>
- <tr class="memdesc:a4f3184ccb8e8ba2a78e2d2e83a0b9885"><td class="mdescLeft"> </td><td class="mdescRight">Detection predicate. <a href="namespaceutl_1_1meta.html#a4f3184ccb8e8ba2a78e2d2e83a0b9885">More...</a><br /></td></tr>
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- <tr class="memitem:a960827a1d72083a511f8ea4ccc8beceb"><td class="memTemplParams" colspan="2">template<typename Expected , template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:a960827a1d72083a511f8ea4ccc8beceb"><td class="memTemplItemLeft" align="right" valign="top">constexpr bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a960827a1d72083a511f8ea4ccc8beceb">utl::meta::is_detected_exact_v</a> = is_detected_exact< Expected, Op, Args...>::value</td></tr>
- <tr class="memdesc:a960827a1d72083a511f8ea4ccc8beceb"><td class="mdescLeft"> </td><td class="mdescRight">evaluates to true if evaluation of Op<Args...> is <code>Expected</code> and to false if not <a href="namespaceutl_1_1meta.html#a960827a1d72083a511f8ea4ccc8beceb">More...</a><br /></td></tr>
- <tr class="separator:a960827a1d72083a511f8ea4ccc8beceb"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:acba521b528e775be4b37d2e481e0f138"><td class="memTemplParams" colspan="2">template<typename To , template< typename... > class Op, typename... Args> </td></tr>
- <tr class="memitem:acba521b528e775be4b37d2e481e0f138"><td class="memTemplItemLeft" align="right" valign="top">constexpr bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#acba521b528e775be4b37d2e481e0f138">utl::meta::is_detected_convertible_v</a></td></tr>
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- </table>
- <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
- <div class="textblock"><p>Detection idiom based on WG21's N4502 [<a class="el" href="detection_8h.html#n4502">n4502</a> 1] from Walter E. Brown. </p>
- <p><a class="anchor" id="n4502"></a>[1]: www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4502.pdf</p>
- <p>Copyright (C) 2018-2019 Christos Choutouridis</p>
- <p>This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.</p>
- <p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.</p>
- <p>You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>. </p>
-
- <p class="definition">Definition in file <a class="el" href="detection_8h_source.html">detection.h</a>.</p>
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