mirror of
https://github.com/ETLCPP/etl.git
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06e54f6b23
etl::is_scoped_enum etl::is_trivially_default_constructible etl::is_trivially_move_constructible etl::is_trivially_move_assignable etl::is_trivially_assignable etl::is_layout_compatible etl::is_pointer_interconvertible_base_of Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>
542 lines
19 KiB
C++
542 lines
19 KiB
C++
///\file
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2021 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_DETERMINE_BUILTIN_SUPPORT_H_INCLUDED
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#define ETL_DETERMINE_BUILTIN_SUPPORT_H_INCLUDED
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#if defined(ETL_USE_TYPE_TRAITS_BUILTINS) // Set all of them to be true if not
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// already defined
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#if !defined(ETL_USING_BUILTIN_IS_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_ASSIGNABLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_CONSTRUCTIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_DESTRUCTIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_DESTRUCTIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_STANDARD_LAYOUT)
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#define ETL_USING_BUILTIN_IS_STANDARD_LAYOUT 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIAL)
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#define ETL_USING_BUILTIN_IS_TRIVIAL 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_LAYOUT_COMPATIBLE)
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#define ETL_USING_BUILTIN_IS_LAYOUT_COMPATIBLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_POINTER_INTERCONVERTIBLE_BASE_OF)
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#define ETL_USING_BUILTIN_IS_POINTER_INTERCONVERTIBLE_BASE_OF 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_UNION)
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#define ETL_USING_BUILTIN_IS_UNION 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_EMPTY)
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#define ETL_USING_BUILTIN_IS_EMPTY 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_POLYMORPHIC)
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#define ETL_USING_BUILTIN_IS_POLYMORPHIC 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_ABSTRACT)
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#define ETL_USING_BUILTIN_IS_ABSTRACT 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_FINAL)
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#define ETL_USING_BUILTIN_IS_FINAL 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_AGGREGATE)
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#define ETL_USING_BUILTIN_IS_AGGREGATE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR)
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#define ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR 1
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#endif
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#if !defined(ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS)
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#define ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS 1
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#endif
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#if !defined(ETL_USING_BUILTIN_UNDERLYING_TYPE)
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#define ETL_USING_BUILTIN_UNDERLYING_TYPE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED)
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#define ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED 1
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#endif
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#if !defined(ETL_USING_BUILTIN_BIT_CAST)
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#define ETL_USING_BUILTIN_BIT_CAST 1
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#endif
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#endif
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#if defined(ETL_USE_BUILTIN_MEM_FUNCTIONS) // Set all of them to be true if not
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// already defined
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#if !defined(ETL_USING_BUILTIN_MEMCPY)
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#define ETL_USING_BUILTIN_MEMCPY 1
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMMOVE)
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#define ETL_USING_BUILTIN_MEMMOVE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMSET)
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#define ETL_USING_BUILTIN_MEMSET 1
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMCMP)
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#define ETL_USING_BUILTIN_MEMCMP 1
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMCHR)
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#define ETL_USING_BUILTIN_MEMCHR 1
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#endif
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#endif
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#if defined(__has_builtin) && !defined(ETL_COMPILER_MICROSOFT) // Use __has_builtin to check for
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// existence of builtin functions?
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// Fix VS2022 intellisense issue.
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#if !defined(ETL_USING_BUILTIN_IS_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_ASSIGNABLE __has_builtin(__is_assignable)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_CONSTRUCTIBLE __has_builtin(__is_constructible)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE __has_builtin(__is_nothrow_constructible)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE __has_builtin(__is_nothrow_assignable)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE (__has_builtin(__has_trivial_constructor) || __has_builtin(__is_trivially_constructible))
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE __has_builtin(__is_trivially_assignable)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE (__has_builtin(__has_trivial_destructor) || __has_builtin(__is_trivially_destructible))
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_DESTRUCTIBLE __has_builtin(__is_destructible)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_DESTRUCTIBLE __has_builtin(__is_nothrow_destructible)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE (__has_builtin(__has_trivial_copy) || __has_builtin(__is_trivially_copyable))
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_STANDARD_LAYOUT)
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#define ETL_USING_BUILTIN_IS_STANDARD_LAYOUT __has_builtin(__is_standard_layout)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIAL)
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#define ETL_USING_BUILTIN_IS_TRIVIAL __has_builtin(__is_trivial)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_LAYOUT_COMPATIBLE)
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#define ETL_USING_BUILTIN_IS_LAYOUT_COMPATIBLE __has_builtin(__is_layout_compatible)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_POINTER_INTERCONVERTIBLE_BASE_OF)
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#define ETL_USING_BUILTIN_IS_POINTER_INTERCONVERTIBLE_BASE_OF __has_builtin(__is_pointer_interconvertible_base_of)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_UNION)
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#define ETL_USING_BUILTIN_IS_UNION __has_builtin(__is_union)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_EMPTY)
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#define ETL_USING_BUILTIN_IS_EMPTY __has_builtin(__is_empty)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_POLYMORPHIC)
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#define ETL_USING_BUILTIN_IS_POLYMORPHIC __has_builtin(__is_polymorphic)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_ABSTRACT)
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#define ETL_USING_BUILTIN_IS_ABSTRACT __has_builtin(__is_abstract)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_FINAL)
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#define ETL_USING_BUILTIN_IS_FINAL __has_builtin(__is_final)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_AGGREGATE)
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#define ETL_USING_BUILTIN_IS_AGGREGATE __has_builtin(__is_aggregate)
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#endif
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#if !defined(ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR)
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#define ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR __has_builtin(__has_virtual_destructor)
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#endif
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#if !defined(ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS)
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#define ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS __has_builtin(__has_unique_object_representations)
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#endif
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#if !defined(ETL_USING_BUILTIN_UNDERLYING_TYPE)
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#define ETL_USING_BUILTIN_UNDERLYING_TYPE __has_builtin(__underlying_type)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED)
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#define ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED __has_builtin(__builtin_is_constant_evaluated)
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#endif
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#if !defined(ETL_USING_BUILTIN_CONSTANT_P)
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#define ETL_USING_BUILTIN_CONSTANT_P __has_builtin(__builtin_constant_p)
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#endif
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#if !defined(ETL_USING_BUILTIN_BIT_CAST)
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#define ETL_USING_BUILTIN_BIT_CAST __has_builtin(__builtin_bit_cast)
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMCPY)
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#define ETL_USING_BUILTIN_MEMCPY __has_builtin(__builtin_memcpy)
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMMOVE)
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#define ETL_USING_BUILTIN_MEMMOVE __has_builtin(__builtin_memmove)
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMSET)
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#define ETL_USING_BUILTIN_MEMSET __has_builtin(__builtin_memset)
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMCMP)
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#define ETL_USING_BUILTIN_MEMCMP __has_builtin(__builtin_memcmp)
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#endif
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#if !defined(ETL_USING_BUILTIN_MEMCHR)
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#define ETL_USING_BUILTIN_MEMCHR __has_builtin(__builtin_memchr)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_VIRTUAL_BASE_OF)
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#define ETL_USING_BUILTIN_IS_VIRTUAL_BASE_OF __has_builtin(__is_virtual_base_of)
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_RELOCATABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_RELOCATABLE __has_builtin(__is_trivially_relocatable)
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#endif
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// __builtin_is_cpp_trivially_relocatable replaces __is_trivially_relocatable by an
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// effort of standardization for newer C++ standards
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#if !defined(ETL_USING_BUILTIN_BUILTIN_IS_CPP_TRIVIALLY_RELOCATABLE)
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#define ETL_USING_BUILTIN_BUILTIN_IS_CPP_TRIVIALLY_RELOCATABLE __has_builtin(__builtin_is_cpp_trivially_relocatable)
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#endif
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#endif
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#if defined(ETL_COMPILER_MICROSOFT) // The Microsoft compiler supports the __is_trivially_copyable
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// intrinsic directly. __has_builtin is not used for Microsoft
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// (see above) to avoid a VS2022 intellisense issue, so the
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// intrinsic is enabled here for the no-STL configuration.
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_STANDARD_LAYOUT)
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#define ETL_USING_BUILTIN_IS_STANDARD_LAYOUT 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIAL)
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#define ETL_USING_BUILTIN_IS_TRIVIAL 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_UNION)
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#define ETL_USING_BUILTIN_IS_UNION 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_EMPTY)
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#define ETL_USING_BUILTIN_IS_EMPTY 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_POLYMORPHIC)
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#define ETL_USING_BUILTIN_IS_POLYMORPHIC 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_ABSTRACT)
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#define ETL_USING_BUILTIN_IS_ABSTRACT 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_FINAL)
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#define ETL_USING_BUILTIN_IS_FINAL 1
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_AGGREGATE)
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#define ETL_USING_BUILTIN_IS_AGGREGATE 1
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#endif
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#if !defined(ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR)
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#define ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR 1
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#endif
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#if !defined(ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS)
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#define ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS 1
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#endif
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// MSVC has supported __builtin_bit_cast since VS2019 16.6. __has_builtin is not
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// used for Microsoft (see above) to avoid a VS2022 intellisense issue, so the
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// intrinsic is enabled here directly for the no-STL configuration.
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#if !defined(ETL_USING_BUILTIN_BIT_CAST) && (_MSC_VER >= 1926)
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#define ETL_USING_BUILTIN_BIT_CAST 1
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#endif
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#endif
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// The default. Set to 0, if not already set.
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#if !defined(ETL_USING_BUILTIN_IS_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_ASSIGNABLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_CONSTRUCTIBLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_DESTRUCTIBLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_NOTHROW_DESTRUCTIBLE)
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#define ETL_USING_BUILTIN_IS_NOTHROW_DESTRUCTIBLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE)
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#define ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_STANDARD_LAYOUT)
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#define ETL_USING_BUILTIN_IS_STANDARD_LAYOUT 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_TRIVIAL)
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#define ETL_USING_BUILTIN_IS_TRIVIAL 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_LAYOUT_COMPATIBLE)
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#define ETL_USING_BUILTIN_IS_LAYOUT_COMPATIBLE 0
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#endif
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|
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#if !defined(ETL_USING_BUILTIN_IS_POINTER_INTERCONVERTIBLE_BASE_OF)
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#define ETL_USING_BUILTIN_IS_POINTER_INTERCONVERTIBLE_BASE_OF 0
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#endif
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#if !defined(ETL_USING_BUILTIN_IS_UNION)
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#define ETL_USING_BUILTIN_IS_UNION 0
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#endif
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|
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#if !defined(ETL_USING_BUILTIN_IS_EMPTY)
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#define ETL_USING_BUILTIN_IS_EMPTY 0
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#endif
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|
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#if !defined(ETL_USING_BUILTIN_IS_POLYMORPHIC)
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#define ETL_USING_BUILTIN_IS_POLYMORPHIC 0
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|
#endif
|
|
|
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#if !defined(ETL_USING_BUILTIN_IS_ABSTRACT)
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#define ETL_USING_BUILTIN_IS_ABSTRACT 0
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|
#endif
|
|
|
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#if !defined(ETL_USING_BUILTIN_IS_FINAL)
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#define ETL_USING_BUILTIN_IS_FINAL 0
|
|
#endif
|
|
|
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#if !defined(ETL_USING_BUILTIN_IS_AGGREGATE)
|
|
#define ETL_USING_BUILTIN_IS_AGGREGATE 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR)
|
|
#define ETL_USING_BUILTIN_HAS_VIRTUAL_DESTRUCTOR 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS)
|
|
#define ETL_USING_BUILTIN_HAS_UNIQUE_OBJECT_REPRESENTATIONS 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_UNDERLYING_TYPE)
|
|
#define ETL_USING_BUILTIN_UNDERLYING_TYPE 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED)
|
|
#define ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_MEMCPY)
|
|
#define ETL_USING_BUILTIN_MEMCPY 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_MEMMOVE)
|
|
#define ETL_USING_BUILTIN_MEMMOVE 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_MEMSET)
|
|
#define ETL_USING_BUILTIN_MEMSET 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_MEMCMP)
|
|
#define ETL_USING_BUILTIN_MEMCMP 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_MEMCHR)
|
|
#define ETL_USING_BUILTIN_MEMCHR 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_IS_VIRTUAL_BASE_OF)
|
|
#define ETL_USING_BUILTIN_IS_VIRTUAL_BASE_OF 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_IS_TRIVIALLY_RELOCATABLE)
|
|
#define ETL_USING_BUILTIN_IS_TRIVIALLY_RELOCATABLE 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_BUILTIN_IS_CPP_TRIVIALLY_RELOCATABLE)
|
|
#define ETL_USING_BUILTIN_BUILTIN_IS_CPP_TRIVIALLY_RELOCATABLE 0
|
|
#endif
|
|
|
|
// __builtin_constant_p predates __has_builtin on GCC and Clang, so enable it for
|
|
// those compilers when __has_builtin was not available to detect it.
|
|
#if !defined(ETL_USING_BUILTIN_CONSTANT_P) && (defined(__GNUC__) || defined(__clang__))
|
|
#define ETL_USING_BUILTIN_CONSTANT_P 1
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_CONSTANT_P)
|
|
#define ETL_USING_BUILTIN_CONSTANT_P 0
|
|
#endif
|
|
|
|
#if !defined(ETL_USING_BUILTIN_BIT_CAST)
|
|
#define ETL_USING_BUILTIN_BIT_CAST 0
|
|
#endif
|
|
|
|
// __builtin_bit_cast is only of use to the ETL from C++11 onwards.
|
|
// Disable it for older standards, so that the generated code for those users is unchanged.
|
|
#if ETL_USING_BUILTIN_BIT_CAST && !ETL_USING_CPP11
|
|
#undef ETL_USING_BUILTIN_BIT_CAST
|
|
#define ETL_USING_BUILTIN_BIT_CAST 0
|
|
#endif
|
|
|
|
namespace etl
|
|
{
|
|
namespace traits
|
|
{
|
|
// Documentation: https://www.etlcpp.com/etl_traits.html
|
|
|
|
static ETL_CONSTANT bool using_builtin_is_assignable = (ETL_USING_BUILTIN_IS_ASSIGNABLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_constructible = (ETL_USING_BUILTIN_IS_CONSTRUCTIBLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_nothrow_constructible = (ETL_USING_BUILTIN_IS_NOTHROW_CONSTRUCTIBLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_nothrow_assignable = (ETL_USING_BUILTIN_IS_NOTHROW_ASSIGNABLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_trivially_constructible = (ETL_USING_BUILTIN_IS_TRIVIALLY_CONSTRUCTIBLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_trivially_assignable = (ETL_USING_BUILTIN_IS_TRIVIALLY_ASSIGNABLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_trivially_destructible = (ETL_USING_BUILTIN_IS_TRIVIALLY_DESTRUCTIBLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_trivially_copyable = (ETL_USING_BUILTIN_IS_TRIVIALLY_COPYABLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_underlying_type = (ETL_USING_BUILTIN_UNDERLYING_TYPE == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_constant_evaluated = (ETL_USING_BUILTIN_IS_CONSTANT_EVALUATED == 1);
|
|
static ETL_CONSTANT bool using_builtin_constant_p = (ETL_USING_BUILTIN_CONSTANT_P == 1);
|
|
static ETL_CONSTANT bool using_builtin_memcpy = (ETL_USING_BUILTIN_MEMCPY == 1);
|
|
static ETL_CONSTANT bool using_builtin_memmove = (ETL_USING_BUILTIN_MEMMOVE == 1);
|
|
static ETL_CONSTANT bool using_builtin_memset = (ETL_USING_BUILTIN_MEMSET == 1);
|
|
static ETL_CONSTANT bool using_builtin_memcmp = (ETL_USING_BUILTIN_MEMCMP == 1);
|
|
static ETL_CONSTANT bool using_builtin_memchr = (ETL_USING_BUILTIN_MEMCHR == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_virtual_base_of = (ETL_USING_BUILTIN_IS_VIRTUAL_BASE_OF == 1);
|
|
static ETL_CONSTANT bool using_builtin_is_trivially_relocatable = (ETL_USING_BUILTIN_IS_TRIVIALLY_RELOCATABLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_builtin_is_cpp_trivially_relocatable = (ETL_USING_BUILTIN_BUILTIN_IS_CPP_TRIVIALLY_RELOCATABLE == 1);
|
|
static ETL_CONSTANT bool using_builtin_bit_cast = (ETL_USING_BUILTIN_BIT_CAST == 1);
|
|
} // namespace traits
|
|
} // namespace etl
|
|
|
|
#endif
|