42 lines
1.4 KiB
Markdown
42 lines
1.4 KiB
Markdown
[span.objectrep]
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# 23 Containers library [[containers]](./#containers)
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## 23.7 Views [[views]](views#span.objectrep)
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### 23.7.2 Contiguous access [[views.contiguous]](views.contiguous#span.objectrep)
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#### 23.7.2.3 Views of object representation [span.objectrep]
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[ð](#lib:as_bytes)
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`template<class ElementType, size_t Extent>
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span<const byte, Extent == dynamic_extent ? dynamic_extent : sizeof(ElementType) * Extent>
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as_bytes(span<ElementType, Extent> s) noexcept;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/containers.tex#L20965)
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*Effects*: Equivalent to: return R{reinterpret_cast<const byte*>(s.data()), s.size_bytes()}; where R is the return type[.](#1.sentence-1)
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[ð](#lib:as_writable_bytes)
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`template<class ElementType, size_t Extent>
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span<byte, Extent == dynamic_extent ? dynamic_extent : sizeof(ElementType) * Extent>
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as_writable_bytes(span<ElementType, Extent> s) noexcept;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/containers.tex#L20979)
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*Constraints*: is_const_v<ElementType> is false[.](#2.sentence-1)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/containers.tex#L20983)
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*Effects*: Equivalent to: return R{reinterpret_cast<byte*>(s.data()), s.size_bytes()}; where R is the return type[.](#3.sentence-1)
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