basic_string_view(It begin, End end)
Section: 27.3.3.2 [string.view.cons] Status: C++23 Submitter: Hewill Kang Opened: 2021-07-13 Last modified: 2023-11-22
Priority: Not Prioritized
View all other issues in [string.view.cons].
View all issues with C++23 status.
Discussion:
The standard does not specify the exceptions of this constructor, but since std::to_address
is a
noexcept
function, this constructor throws if and only when end - begin
throws, we should
add a Throws element for it.
[2021-08-20; Reflector poll]
Set status to Tentatively Ready after eight votes in favour during reflector poll.
[2021-10-14 Approved at October 2021 virtual plenary. Status changed: Voting → WP.]
Proposed resolution:
This wording is relative to N4892.
Modify 27.3.3.2 [string.view.cons] as indicated:
template<class It, class End> constexpr basic_string_view(It begin, End end);-7- Constraints:
[…] -8- Preconditions: […] -9- Effects: Initializesdata_
withto_address(begin)
and initializessize_
withend - begin
. -?- Throws: When and whatend - begin
throws.