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SelectPaper Title Authors Audience Doc Date Mailing Date
P4346R1 std::movable_box: Give Users the Ranges Movable Wrapper Steve Downey S. Downey 2026-10-23 2026-10
Doc Date 2026-10-23
Mailing Date 2026-10 Pre-Búzios
Author(s) Steve Downey
Target Audience LEWGLWG
Revisions R0
Tracking issue View on GitHub
Abstract The exposition-only class template *movable-box* is the workhorse of the range adaptors. It is how the standard library stores a predicate, a projection, or a value inside a view type and still satisfies the assignability the `view` concept demands. Every implementation ships one. Every ranges-adjacent library reimplements one. Anyone writing a conforming view outside the standard library must wri
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