Drops the requirement that views be default-constructible (DR C++20).
Other papers in Ranges: C++20 defect fixes
P2017R1Conditionally borrowed rangesVirtual Feb 2021P2259R1Repairing input range adaptors and
counted_iteratorVirtual Feb 2021P2210R2Superior String SplittingVirtual Jun 2021P2281R1Clarifying range adaptor objectsVirtual Jun 2021P2328R1join_view should join all views of rangesVirtual Jun 2021P2367R0Remove misuses of list-initialization from Clause 24Virtual Jun 2021All 19 papers in Ranges: C++20 defect fixes →