std::sorted_unique_t, std::sorted_unique
From cppreference.com
Defined in header <flat_map>
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Defined in header <flat_set>
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struct sorted_unique_t {
explicit sorted_unique_t(
)
=
default
;
}
;
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(1) | (since C++23) |
inline constexpr sorted_unique_t sorted_unique{}; |
(2) | (since C++23) |
1) The type
std::sorted_unique_t can be used in the function's (including constructor's) parameter list to match the intended tag.
2) The corresponding
std::sorted_unique instance of (1) is a disambiguation tag that can be passed to the functions of std::flat_map and std::flat_set
Standard library
The following standard library container adaptors use (1,2) as disambiguation tags:
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(C++23)
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adapts two containers to provide a collection of key-value pairs, sorted by unique keys (class template) |
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(C++23)
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adapts a container to provide a collection of unique keys, sorted by keys (class template) |
See also
| indicates that elements of a range are sorted (uniqueness is not required) (tag) |
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(C++23)
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from-range construction tag (tag) |
| in-place construction tag (tag) |