Module chalk_ir::fold::in_place

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Expand description

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 🔒