Struct rustc_mir_dataflow::un_derefer::UnDerefer

pub(crate) struct UnDerefer<'tcx> {
    deref_chains: FxHashMap<Local, Vec<PlaceRef<'tcx>>>,
}

Used for reverting changes made by DerefSeparator

Fields

deref_chains: FxHashMap<Local, Vec<PlaceRef<'tcx>>>

Implementations

impl<'tcx> UnDerefer<'tcx>

pub(crate) fn insert(&mut self, local: Local, reffed: PlaceRef<'tcx>)

pub(crate) fn deref_chain(&self, local: Local) -> &[PlaceRef<'tcx>]

Returns the chain of places behind DerefTemp locals

pub(crate) fn iter_projections( &self, place: PlaceRef<'tcx> ) -> impl Iterator<Item = (PlaceRef<'tcx>, PlaceElem<'tcx>)> + '_

Iterates over the projections of a place and its deref chain.

See PlaceRef::iter_projections

Trait Implementations

impl<'tcx> Debug for UnDerefer<'tcx>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'tcx> Default for UnDerefer<'tcx>

fn default() -> UnDerefer<'tcx>

Returns the “default value” for a type.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 32 bytes