[][src]Struct rustc_borrowck::borrowck::move_data::MoveData

pub struct MoveData<'tcx> {
    pub paths: RefCell<Vec<MovePath<'tcx>>>,
    pub path_map: RefCell<FxHashMap<Rc<LoanPath<'tcx>>, MovePathIndex>>,
    pub moves: RefCell<Vec<Move>>,
    pub var_assignments: RefCell<Vec<Assignment>>,
    pub path_assignments: RefCell<Vec<Assignment>>,
}
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Fields

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Move paths. See section "Move paths" in README.md.

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Cache of loan path to move path index, for easy lookup.

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Each move or uninitialized variable gets an entry here.

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Assignments to a variable, like x = foo. These are assigned bits for dataflow, since we must track them to ensure that immutable variables are assigned at most once along each path.

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Assignments to a path, like x.f = foo. These are not assigned dataflow bits, but we track them because they still kill move bits.

Methods

impl<'a, 'tcx> MoveData<'tcx>
[src]

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return true if there are no trackable assignments or moves in this move data - that means that there is nothing that could cause a borrow error.

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Returns the index of first child, or InvalidMovePathIndex if index is leaf.

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Type safe indexing operator

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True if index refers to a variable

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Returns the existing move path index for lp, if any, and otherwise adds a new index for lp and any of its base paths that do not yet have an index.

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Important traits for Vec<u8>

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Adds any existing move path indices for lp and any base paths of lp to result, but does not add new move paths

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Adds a new move entry for a move of lp that occurs at location id with kind kind.

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Adds a new record for an assignment to lp that occurs at location id with the given span.

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Adds the gen/kills for the various moves and assignments into the provided data flow contexts. Moves are generated by moves and killed by assignments and scoping. Assignments are generated by assignment to variables and killed by scoping. See README.md for more details.

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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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Trait Implementations

impl<'tcx> Default for MoveData<'tcx>
[src]

Returns the "default value" for a type. Read more

Auto Trait Implementations

impl<'tcx> !Send for MoveData<'tcx>

impl<'tcx> !Sync for MoveData<'tcx>

Blanket Implementations

impl<T> From for T
[src]

Performs the conversion.

impl<T, U> Into for T where
    U: From<T>, 
[src]

Performs the conversion.

impl<T, U> TryFrom for T where
    T: From<U>, 
[src]

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The type returned in the event of a conversion error.

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Performs the conversion.

impl<T> Borrow for T where
    T: ?Sized
[src]

Important traits for &'a mut R

Immutably borrows from an owned value. Read more

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
[src]

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The type returned in the event of a conversion error.

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Performs the conversion.

impl<T> BorrowMut for T where
    T: ?Sized
[src]

Important traits for &'a mut R

Mutably borrows from an owned value. Read more

impl<T> Any for T where
    T: 'static + ?Sized
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Gets the TypeId of self. Read more

impl<E> SpecializationError for E
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Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S is the encoder/decoder state type, T is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more

impl<T> Erased for T
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impl<T> Send for T where
    T: ?Sized
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impl<T> Sync for T where
    T: ?Sized
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impl<T> Erased for T

impl<T> MaybeResult for T
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impl<'a, T> Captures for T where
    T: ?Sized
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