Struct rustc_mir::borrow_check::borrow_set::GatherBorrows[][src]

struct GatherBorrows<'a, 'gcx: 'tcx, 'tcx: 'a> {
    tcx: TyCtxt<'a, 'gcx, 'tcx>,
    mir: &'a Mir<'tcx>,
    idx_vec: IndexVec<BorrowIndex, BorrowData<'tcx>>,
    location_map: FxHashMap<Location, BorrowIndex>,
    activation_map: FxHashMap<Location, Vec<BorrowIndex>>,
    region_map: FxHashMap<Region<'tcx>, FxHashSet<BorrowIndex>>,
    local_map: FxHashMap<Local, FxHashSet<BorrowIndex>>,
    pending_activations: FxHashMap<Local, BorrowIndex>,
}
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Fields

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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When we encounter a 2-phase borrow statement, it will always be assigning into a temporary TEMP:

TEMP = &foo

We add TEMP into this map with b, where b is the index of the borrow. When we find a later use of this activation, we remove from the map (and add to the "tombstone" set below).

Methods

impl<'a, 'gcx, 'tcx> GatherBorrows<'a, 'gcx, 'tcx>
[src]

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Returns true if the borrow represented by kind is allowed to be split into separate Reservation and Activation phases.

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If this is a two-phase borrow, then we will record it as "pending" until we find the activating use.

Trait Implementations

impl<'a, 'gcx, 'tcx> Visitor<'tcx> for GatherBorrows<'a, 'gcx, 'tcx>
[src]

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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Auto Trait Implementations

impl<'a, 'gcx, 'tcx> !Send for GatherBorrows<'a, 'gcx, 'tcx>

impl<'a, 'gcx, 'tcx> !Sync for GatherBorrows<'a, 'gcx, 'tcx>