Rollup of 11 pull requests#142133

Merged

bors merged 29 commits intorust-lang:masterfrom

GuillaumeGomez:rollup-fvzdren

Jun 7, 2025

Commits on Apr 28, 2025

Reexport types from `c_size_t` in `std`
tgross35
committed

Commits on May 27, 2025

Reduce `P<T>` to a typedef of `Box<T>`.
nnethercote
committed

Commits on Jun 4, 2025

Verbose suggestion to make param `const`
estebank
committed

Commits on Jun 5, 2025

use helper macro for flat_map vs visit_list, initial dedups
fee1-dead
committed

Commits on Jun 6, 2025