| | |
| (1) | (since C++20) |
| (2) | (since C++23) |
| (3) | (since C++20) |
| (4) | (since C++23) |
| | |
1) Used to obtain the iterator type of the typeT
.
2) Used to obtain the constant iterator type of the
range
type
R
.
3) Used to obtain the sentinel type of the range typeR
.
4) Used to obtain the constant sentinel type of the range typeR
.
[edit]Template parameters
iterator_t
can be applied to non-range types, e.g. arrays with unknown bound.
[edit]Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
DR | Applied to | Behavior as published | Correct behavior |
---|
LWG 3946 | C++23 | const_iterator_t andconst_sentinel_t were inconsistent with the result ofranges::cbegin andranges::cend respectively | tweaked |
[edit]See also
(C++20)(C++20)(C++23)(C++20)(C++20)(C++20) | computes the associated types of an iterator (alias template)[edit] |
| obtains size, difference, and value types of a range (alias template)[edit] |
(C++20)(C++23)(C++20)(C++20) | obtains reference types of a range (alias template)[edit] |