Module chalk_ir::fold::in_place

Subroutines to help implementers of TypeFoldable avoid unnecessary heap allocations.

Structs

• VecMappedInPlace 🔒
  Takes ownership of a Vec that is being mapped in place, cleaning up if the map fails.

Functions

• fallible_map_box 🔒
  Maps a Box<T> to a Box<U>, reusing the underlying storage if possible.
• fallible_map_vec 🔒
  Maps a Vec<T> to a Vec<U>, reusing the underlying storage if possible.
• is_layout_identical 🔒
• is_zst 🔒