std::ranges::range_size_t, std::ranges::range_difference_t, std::ranges::
From cppreference.com
Defined in header <ranges>
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template
<
ranges::sized_range R >
using range_size_t = decltype( ranges::size ( std::declval <R& > ( ) ) ) ; |
(1) | (since C++20) |
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template
<
ranges::range R >
using range_difference_t = std::iter_difference_t < ranges::iterator_t <R>> ; |
(2) | (since C++20) |
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template
<
ranges::range R >
using range_value_t = std::iter_value_t < ranges::iterator_t <R>> ; |
(3) | (since C++20) |
2) Used to obtain the difference type of the iterator type of range type
R.3) Used to obtain the value type of the iterator type of range type
R.Template parameters
| R | - | a range type or a sized_range type
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See also
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(C++20)
(C++20)
(C++23)
(C++20)
(C++20)
(C++20)
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computes the associated types of an iterator (alias template) |
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(C++20)
(C++23)
(C++20)
(C++23)
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obtains iterator and sentinel types of a range (alias template) |
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(C++20)
(C++23)
(C++20)
(C++20)
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obtains reference types of a range (alias template) |