[−][src]Enum rustc::infer::region_constraints::UndoLogEntry
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Variants
OpenSnapshot
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Pushed when we start a snapshot.
CommitedSnapshot
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Replaces an OpenSnapshot
when a snapshot is committed, but
that snapshot is not the root. If the root snapshot is
unrolled, all nested snapshots must be committed.
AddVar(RegionVid)
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We added RegionVid
AddConstraint(Constraint<'tcx>)
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We added the given constraint
AddVerify(usize)
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We added the given verify
AddGiven(Region<'tcx>, RegionVid)
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We added the given given
AddCombination(CombineMapType, TwoRegions<'tcx>)
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We added a GLB/LUB "combination variable"
Purged
🔬 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
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During skolemization, we sometimes purge entries from the undo
log in a kind of minisnapshot (unlike other snapshots, this
purging actually takes place on success). In that case, we
replace the corresponding entry with Noop
so as to avoid the
need to do a bunch of swapping. (We can't use swap_remove
as
the order of the vector is important.)
Trait Implementations
impl<'tcx> Copy for UndoLogEntry<'tcx>
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impl<'tcx> Copy for UndoLogEntry<'tcx>
impl<'tcx> Clone for UndoLogEntry<'tcx>
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impl<'tcx> Clone for UndoLogEntry<'tcx>
fn clone(&self) -> UndoLogEntry<'tcx>
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fn clone(&self) -> UndoLogEntry<'tcx>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<'tcx> PartialEq for UndoLogEntry<'tcx>
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impl<'tcx> PartialEq for UndoLogEntry<'tcx>
fn eq(&self, other: &UndoLogEntry<'tcx>) -> bool
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fn eq(&self, other: &UndoLogEntry<'tcx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &UndoLogEntry<'tcx>) -> bool
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fn ne(&self, other: &UndoLogEntry<'tcx>) -> bool
This method tests for !=
.
Auto Trait Implementations
impl<'tcx> !Send for UndoLogEntry<'tcx>
impl<'tcx> !Send for UndoLogEntry<'tcx>
impl<'tcx> !Sync for UndoLogEntry<'tcx>
impl<'tcx> !Sync for UndoLogEntry<'tcx>
Blanket Implementations
impl<T> MaybeResult for T
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impl<T> MaybeResult for T
fn from_ok(T) -> T
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fn from_ok(T) -> T
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fn map_same<F>(Self, F) -> T where
F: FnOnce(T) -> T,
[src]
fn map_same<F>(Self, F) -> T where
F: FnOnce(T) -> T,
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impl<'a, T> Captures for T where
T: ?Sized,
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impl<'a, T> Captures for T where
T: ?Sized,
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
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fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
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fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
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fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
[src]
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
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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impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
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fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
🔬 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?
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> Erased for T
impl<T> Send for T where
T: ?Sized,
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impl<T> Send for T where
T: ?Sized,
impl<T> Sync for T where
T: ?Sized,
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impl<T> Sync for T where
T: ?Sized,
impl<T> Erased for T
impl<T> Erased for T