forked from boostorg/core
55 lines
931 B
Plaintext
55 lines
931 B
Plaintext
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Copyright 2023 Glen Joseph Fernandes
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(glenjofe@gmail.com)
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Distributed under the Boost Software License, Version 1.0.
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(http://www.boost.org/LICENSE_1_0.txt)
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]
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[section:size size]
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[simplesect Authors]
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* Glen Fernandes
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[endsimplesect]
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[section Overview]
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The header <boost/core/size.hpp> provides function templates `size` to obtain
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the number of elements in a range.
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[endsect]
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[section Reference]
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```
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namespace boost {
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template<class C>
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constexpr auto
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size(const C& c) noexcept(noexcept(c.size())) -> decltype(c.size());
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template<class T, std::size_t N>
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constexpr std::size_t
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size(T(&)[N]) noexcept;
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} /* boost */
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```
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[section Functions]
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[variablelist
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[[`template<class C> constexpr auto size(const C& c)
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noexcept(noexcept(c.size())) -> decltype(c.size());`]
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[Returns `c.size()`.]]
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[[`template<class T, std::size_t N> constexpr std::size_t size(T(&)[N])
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noexcept;`]
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[Returns `N`.]]]
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[endsect]
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[endsect]
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[endsect]
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