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SelectPaper Title Authors Audience Doc Date Mailing Date
P2952R3 Deduced return types for defaulted operator functions A. O'Dwyer, M. Taylor 2026-09-17 2026-09
Doc Date 2026-09-17
Mailing Date 2026-09 Unassigned
Target Audience CWG
Tracking issue View on GitHub
Abstract Current C++ forbids explicitly defaulted functions to have placeholder return types such as `auto&`, except for C++20’s `operator<=>`. We remove this syntactic restriction in cases where the deduced return type would be the same as the expected one. This allows more consistency and less repetition when declaring defaulted functions.
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