Struct rustc_mir::dataflow::impls::Borrows[][src]

pub struct Borrows<'a, 'tcx> {
    tcx: TyCtxt<'tcx>,
    body: &'a Body<'tcx>,
    borrow_set: &'a BorrowSet<'tcx>,
    borrows_out_of_scope_at_location: FxHashMap<Location, Vec<BorrowIndex>>,
}
Expand description

Borrows stores the data used in the analyses that track the flow of borrows.

It uniquely identifies every borrow (Rvalue::Ref) by a BorrowIndex, and maps each such index to a BorrowData describing the borrow. These indexes are used for representing the borrows in compact bitvectors.

Fields

tcx: TyCtxt<'tcx>body: &'a Body<'tcx>borrow_set: &'a BorrowSet<'tcx>borrows_out_of_scope_at_location: FxHashMap<Location, Vec<BorrowIndex>>

Implementations

Add all borrows to the kill set, if those borrows are out of scope at location. That means they went out of a nonlexical scope

Kill any borrows that conflict with place.

Trait Implementations

The type that holds the dataflow state at any given point in the program.

A descriptive name for this analysis. Used only for debugging. Read more

The initial value of the dataflow state upon entry to each basic block.

Mutates the initial value of the dataflow state upon entry to the START_BLOCK. Read more

The direction of this analysis. Either Forward or Backward.

Print the difference between self and old. Read more

See Analysis::apply_before_statement_effect.

See Analysis::apply_statement_effect.

See Analysis::apply_before_terminator_effect.

See Analysis::apply_terminator_effect.

See Analysis::apply_call_return_effect.

See Analysis::apply_yield_resume_effect.

See Analysis::apply_switch_int_edge_effects.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

Layout

Note: Most layout information is completely unstable and may be different between compiler versions and platforms. 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: 56 bytes