[−][src]Struct rustc::infer::equate::Equate
🔬 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?
Ensures a
is made equal to b
. Returns a
on success.
Fields
fields: &'combine mut CombineFields<'infcx, 'gcx, 'tcx>
🔬 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?
a_is_expected: bool
🔬 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?
Methods
impl<'combine, 'infcx, 'gcx, 'tcx> Equate<'combine, 'infcx, 'gcx, 'tcx>
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impl<'combine, 'infcx, 'gcx, 'tcx> Equate<'combine, 'infcx, 'gcx, 'tcx>
pub fn new(
fields: &'combine mut CombineFields<'infcx, 'gcx, 'tcx>,
a_is_expected: bool
) -> Equate<'combine, 'infcx, 'gcx, 'tcx>
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pub fn new(
fields: &'combine mut CombineFields<'infcx, 'gcx, 'tcx>,
a_is_expected: bool
) -> Equate<'combine, 'infcx, 'gcx, 'tcx>
🔬 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?
Trait Implementations
impl<'combine, 'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Equate<'combine, 'infcx, 'gcx, 'tcx>
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impl<'combine, 'infcx, 'gcx, 'tcx> TypeRelation<'infcx, 'gcx, 'tcx> for Equate<'combine, 'infcx, 'gcx, 'tcx>
fn tag(&self) -> &'static str
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fn tag(&self) -> &'static str
🔬 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?
Returns a static string we can use for printouts.
fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx>
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fn tcx(&self) -> TyCtxt<'infcx, 'gcx, 'tcx>
🔬 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?
fn a_is_expected(&self) -> bool
[src]
fn a_is_expected(&self) -> bool
🔬 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?
Returns true if the value a
is the "expected" type in the relation. Just affects error messages. Read more
fn relate_item_substs(
&mut self,
_item_def_id: DefId,
a_subst: &'tcx Substs<'tcx>,
b_subst: &'tcx Substs<'tcx>
) -> RelateResult<'tcx, &'tcx Substs<'tcx>>
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fn relate_item_substs(
&mut self,
_item_def_id: DefId,
a_subst: &'tcx Substs<'tcx>,
b_subst: &'tcx Substs<'tcx>
) -> RelateResult<'tcx, &'tcx Substs<'tcx>>
🔬 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?
Relate the two substitutions for the given item. The default is to look up the variance for the item and proceed accordingly. Read more
fn relate_with_variance<T: Relate<'tcx>>(
&mut self,
_: Variance,
a: &T,
b: &T
) -> RelateResult<'tcx, T>
[src]
fn relate_with_variance<T: Relate<'tcx>>(
&mut self,
_: Variance,
a: &T,
b: &T
) -> RelateResult<'tcx, T>
🔬 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?
Switch variance for the purpose of relating a
and b
.
fn tys(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) -> RelateResult<'tcx, Ty<'tcx>>
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fn tys(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) -> RelateResult<'tcx, Ty<'tcx>>
🔬 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?
fn regions(
&mut self,
a: Region<'tcx>,
b: Region<'tcx>
) -> RelateResult<'tcx, Region<'tcx>>
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fn regions(
&mut self,
a: Region<'tcx>,
b: Region<'tcx>
) -> RelateResult<'tcx, Region<'tcx>>
🔬 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?
fn binders<T>(
&mut self,
a: &Binder<T>,
b: &Binder<T>
) -> RelateResult<'tcx, Binder<T>> where
T: Relate<'tcx>,
[src]
fn binders<T>(
&mut self,
a: &Binder<T>,
b: &Binder<T>
) -> RelateResult<'tcx, Binder<T>> where
T: Relate<'tcx>,
🔬 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?
fn with_cause<F, R>(&mut self, _cause: Cause, f: F) -> R where
F: FnOnce(&mut Self) -> R,
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fn with_cause<F, R>(&mut self, _cause: Cause, f: F) -> R where
F: FnOnce(&mut Self) -> R,
🔬 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?
fn relate<T: Relate<'tcx>>(&mut self, a: &T, b: &T) -> RelateResult<'tcx, T>
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fn relate<T: Relate<'tcx>>(&mut self, a: &T, b: &T) -> RelateResult<'tcx, T>
🔬 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?
Generic relation routine suitable for most anything.
Auto Trait Implementations
impl<'combine, 'infcx, 'gcx, 'tcx> !Send for Equate<'combine, 'infcx, 'gcx, 'tcx>
impl<'combine, 'infcx, 'gcx, 'tcx> !Send for Equate<'combine, 'infcx, 'gcx, 'tcx>
impl<'combine, 'infcx, 'gcx, 'tcx> !Sync for Equate<'combine, 'infcx, 'gcx, 'tcx>
impl<'combine, 'infcx, 'gcx, 'tcx> !Sync for Equate<'combine, 'infcx, 'gcx, 'tcx>
Blanket Implementations
impl<T> MaybeResult for T
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impl<T> MaybeResult for T
fn from_ok(T) -> T
[src]
fn from_ok(T) -> T
🔬 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?
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,
🔬 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?
impl<'a, T> Captures for T where
T: ?Sized,
[src]
impl<'a, T> Captures for T where
T: ?Sized,
impl<T> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
[src]
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>
[src]
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,
[src]
impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
[src]
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
[src]
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,
[src]
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
[src]
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,
[src]
impl<T> Sync for T where
T: ?Sized,
impl<T> Erased for T
impl<T> Erased for T