[][src]Struct rustc_borrowck::borrowck::check_loans::CheckLoanCtxt

struct CheckLoanCtxt<'a, 'tcx: 'a> {
    bccx: &'a BorrowckCtxt<'a, 'tcx>,
    dfcx_loans: &'a DataFlowContext<'a, 'tcx, LoanDataFlowOperator>,
    move_data: &'a FlowedMoveData<'a, 'tcx>,
    all_loans: &'a [Loan<'tcx>],
    movable_generator: bool,
}
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Fields

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

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Methods

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

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

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Iterates over each loan that has been issued on entrance to node, regardless of whether it is actually in scope at that point. Sometimes loans are issued for future scopes and thus they may have been issued but not yet be in effect.

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Like each_issued_loan(), but only considers loans that are currently in scope.

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Iterates through all of the in-scope loans affecting loan_path, calling op, and ceasing iteration if false is returned.

Important traits for Vec<u8>

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Returns a vector of the loans that are generated as we enter node.

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Checks to see whether any of the loans that are issued on entrance to node conflict with loans that have already been issued when we enter node (for example, we do not permit two &mut borrows of the same variable).

(Note that some loans can be issued without necessarily taking effect yet.)

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Checks whether old_loan and new_loan can safely be issued simultaneously.

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Checks whether the restrictions introduced by loan1 would prohibit loan2. Returns false if an error is reported.

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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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Reports an error if expr (which should be a path) is using a moved/uninitialized value

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Reports an error if assigning to lp will use a moved/uninitialized value. Mainly this is concerned with detecting derefs of uninitialized pointers.

For example:

let a: i32;
a = 10; // ok, even though a is uninitialized
struct Point { x: u32, y: u32 }
let mut p: Point;
p.x = 22; // ok, even though `p` is uninitialized
This example deliberately fails to compile
let mut p: Box<Point>;
(*p).x = 22; // not ok, p is uninitialized, can't deref

🔬 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<'a, 'tcx> Delegate<'tcx> for CheckLoanCtxt<'a, 'tcx>
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Auto Trait Implementations

impl<'a, 'tcx> !Send for CheckLoanCtxt<'a, 'tcx>

impl<'a, 'tcx> !Sync for CheckLoanCtxt<'a, '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]

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

The type returned in the event of a conversion error.

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

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]

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

The type returned in the event of a conversion error.

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

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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this method will likely be replaced by an associated static

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

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impl<'a, T> Captures for T where
    T: ?Sized
[src]