53 lines
1.8 KiB
C++
Executable file
53 lines
1.8 KiB
C++
Executable file
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include <span>
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// MSVC doesn't support CTAD for alias templates, so Span must be a class.
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// Keep it layout-compatible with std::span by inheriting without adding members.
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template<typename _Type, size_t _Extent = std::dynamic_extent>
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struct Span : std::span<_Type, _Extent>
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{
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using std::span<_Type, _Extent>::span;
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constexpr Span( std::span<_Type, _Extent> s ) noexcept : std::span<_Type, _Extent>( s ) {}
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};
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// deduction guides matching std::span
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template<typename It, typename EndOrSize>
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Span( It, EndOrSize ) -> Span<std::remove_reference_t<std::iter_reference_t<It>>>;
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template<typename T, size_t N>
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Span( T (&)[N] ) -> Span<T, N>;
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template<typename T, size_t N>
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Span( std::array<T, N>& ) -> Span<T, N>;
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template<typename T, size_t N>
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Span( const std::array<T, N>& ) -> Span<const T, N>;
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template<typename R>
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Span( R&& ) -> Span<std::remove_reference_t<std::ranges::range_reference_t<R&>>>;
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using StringArrayRange = Span<const char *const>;
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using StringRange = Span<const char>;
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