pub struct HaveBeenBorrowedLocals<'a, 'tcx: 'a> {
mir: &'a Mir<'tcx>,
}
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This calculates if any part of a MIR local could have previously been borrowed.
This means that once a local has been borrowed, its bit will be set
from that point and onwards, until we see a StorageDead statement for the local,
at which points there is no memory associated with the local, so it cannot be borrowed.
This is used to compute which locals are live during a yield expression for
immovable generators.
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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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Performs copy-assignment from source
. Read more
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Specifies what index type is used to access the bitvector.
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A name describing the dataflow analysis that this BitDenotation is supporting. The name should be something suitable for plugging in as part of a filename e.g. avoid space-characters or other things that tend to look bad on a file system, like slashes or periods. It is also better for the name to be reasonably short, again because it will be plugged into a filename. Read more
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Size of each bitvector allocated for each block in the analysis.
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Mutates the entry set according to the effects that have been established prior to entering the start block. This can't access the gen/kill sets, because these won't be accounted for correctly. Read more
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Mutates the block-sets (the flow sets for the given basic block) according to the effects of evaluating statement. Read more
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Mutates the block-sets (the flow sets for the given basic block) according to the effects of evaluating the terminator. Read more
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Mutates the block-sets according to the (flow-dependent) effect of a successful return from a Call terminator. Read more
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Some analyses want to accumulate knowledge within a block when analyzing its statements for building the gen/kill sets. Override this method to return true in such cases. Read more
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Similar to statement_effect
, except it applies just before the statement rather than just after it. Read more
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Similar to terminator_effect
, except it applies just before the terminator rather than just after it. Read more
🔬 This is a nightly-only experimental API. (rustc_private
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Applies some bit-operation pointwise to each of the bits in the two inputs.
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Specifies the initial value for each bit in the on_entry
set
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
🔬 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
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Immutably borrows from an owned value. Read more
type Error = <U as TryFrom<T>>::Error
🔬 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
)
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
🔬 This is a nightly-only experimental API. (rustc_private
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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
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🔬 This is a nightly-only experimental API. (rustc_private
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