Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

In subspan function, add static checks on extents #843

Merged
merged 4 commits into from
Feb 16, 2024
Merged

In subspan function, add static checks on extents #843

Changes from 1 commit
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
5275598
In subspan function, add static checks on extents
mike919192 Feb 14, 2024
f35ebfa
Change to ETL_STATIC_ASSERT. Add static assert for first and last fu…
mike919192 Feb 15, 2024
8bad0ea
Add static assert to pre c++11 subspan
mike919192 Feb 15, 2024
5767899
Change extent to Extent to better match existing code
mike919192 Feb 15, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions include/etl/span.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -331,6 +331,12 @@ namespace etl
ETL_NODISCARD ETL_CONSTEXPR
etl::span<element_type, COUNT != etl::dynamic_extent ? COUNT : Extent - OFFSET> subspan() const ETL_NOEXCEPT
{
//if extent is static, check that OFFSET is within the original span
static_assert((extent != etl::dynamic_extent) ? OFFSET <= extent : true);

//if count is also static, check that OFFSET + COUNT is within the original span
static_assert((extent != etl::dynamic_extent) && (COUNT != etl::dynamic_extent) ? COUNT <= (extent - OFFSET) : true);

return (COUNT == etl::dynamic_extent) ? etl::span<element_type, COUNT != etl::dynamic_extent ? COUNT : Extent - OFFSET>(pbegin + OFFSET, (pbegin + Extent))
: etl::span<element_type, COUNT != etl::dynamic_extent ? COUNT : Extent - OFFSET>(pbegin + OFFSET, pbegin + OFFSET + COUNT);
}
Expand Down
Loading