P3643

std::to_signed and std::to_unsigned

Latest is R5R3

Paperweight: Heavy

Add `std::to_signed` and `std::to_unsigned` function templates in the style of `std::to_underlying`.

Authors: Jan Schultke

Mailing: 2026-09
Doc date: 2026-08-23
Audience: LEWG

P

Revision history

2026-10

R5 LEWG

std::to_signed and std::to_unsigned
2026-10

R4 LEWG

std::to_signed and std::to_unsigned
2026-09

R3 Selected (shown above)