`<flat_meow>`: Remove FIXME comments, add `_Clear_guard` to `erase()`, test more ctors - #6040

Merged

Stephan T. Lavavej (StephanTLavavej) merged 4 commits into

microsoft:feature/flat_mapfrom

StephanTLavavej:flat_review

Jan 23, 2026

Commits on Jan 22, 2026

Remove FIXME comment: `empty()` is superior to `begin() == end()`, which flat_set no longer says.
Stephan T. Lavavej (StephanTLavavej)
committed
a6d279c
Remove FIXME comments about heterogeneous insertion.
Stephan T. Lavavej (StephanTLavavej)
committed
7d4136c
Remove FIXME comment about `erase()`, add `_Clear_guard`s and comments.
Stephan T. Lavavej (StephanTLavavej)
committed
650bc25
Remove FIXME comment, test remaining constructors.
Stephan T. Lavavej (StephanTLavavej)
committed
3ee6b04