Fixes optional's relational operators.
Other papers in Library Fundamentals TS merge (optional, any, string_view, searchers…)
P0005R4Adopt
not_fn from library fundamentals v2 TS for C++17Jacksonville 2016P0220R1Adopt library fundamentals v1 TS components for C++17Jacksonville 2016P0253R1Fixing a design mistake in the searchers interfaceJacksonville 2016P0254R2Integrating string_view and stringOulu 2016P0295R0Adopt selected Library Fundamentals v2 componentsOulu 2016P0358R1Fixes for not_fnOulu 2016All 11 papers in Library Fundamentals TS merge (optional, any, string_view, searchers…) →