struct ElaborateDropsCtxt<'a, 'tcx: 'a> {
tcx: TyCtxt<'a, 'tcx, 'tcx>,
mir: &'a Mir<'tcx>,
env: &'a MoveDataParamEnv<'tcx, 'tcx>,
flow_inits: DataflowResults<MaybeInitializedPlaces<'a, 'tcx, 'tcx>>,
flow_uninits: DataflowResults<MaybeUninitializedPlaces<'a, 'tcx, 'tcx>>,
drop_flags: FxHashMap<MovePathIndex, Local>,
patch: MirPatch<'tcx>,
}
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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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🔬 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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🔬 This is a nightly-only experimental API. (rustc_private
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create a patch that elaborates all drops in the input
MIR.
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🔬 This is a nightly-only experimental API. (rustc_private
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Elaborate a MIR replace
terminator. This instruction
is not directly handled by codegen, and therefore
must be desugared.
The desugaring drops the location if needed, and then writes
the value (including setting the drop flag) over it in both arms.
The replace
terminator can also be called on places that
are not tracked by elaboration (for example,
replace x[i] <- tmp0
). The borrow checker requires that
these locations are initialized before the assignment,
so we just generate an unconditional drop.
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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. (try_from
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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
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The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
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Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
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this method will likely be replaced by an associated static
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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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