[−][src]Enum rustc::traits::ObligationCauseCode
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)
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Variants
MiscObligation
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)
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Not well classified or should be obvious from span.
SliceOrArrayElem
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A slice or array is WF only if T: Sized
TupleElem
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A tuple is WF only if its middle elements are Sized
ProjectionWf(ProjectionTy<'tcx>)
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This is the trait reference from the given projection
ItemObligation(DefId)
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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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In an impl of trait X for type Y, type Y must also implement all supertraits of X.
ReferenceOutlivesReferent(Ty<'tcx>)
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A type like &'a T
is WF only if T: 'a
.
ObjectTypeBound(Ty<'tcx>, Region<'tcx>)
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)
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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A type like Box<Foo<'a> + 'b>
is WF only if 'b: 'a
.
ObjectCastObligation(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
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Obligation incurred due to an object cast.
AssignmentLhsSized
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L = X implies that L is Sized
TupleInitializerSized
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(x1, .., xn) must be Sized
StructInitializerSized
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S { ... } must be Sized
VariableType(NodeId)
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Type of each variable must be Sized
SizedArgumentType
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Argument type must be Sized
SizedReturnType
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Return type must be Sized
SizedYieldType
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Yield type must be Sized
RepeatVec
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[T,..n] --> T must be Copy
FieldSized
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Types of fields (other than the last, except for packed structs) in a struct must be sized.
Fields of FieldSized
adt_kind: AdtKind | 🔬 This is a nightly-only experimental API. ( |
last: bool | 🔬 This is a nightly-only experimental API. ( |
ConstSized
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Constant expressions must be sized.
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)
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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static items must have Sync
type
BuiltinDerivedObligation(DerivedObligationCause<'tcx>)
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ImplDerivedObligation(DerivedObligationCause<'tcx>)
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CompareImplMethodObligation
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)
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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error derived when matching traits/impls; see ObligationCause for more details
Fields of CompareImplMethodObligation
item_name: Name | 🔬 This is a nightly-only experimental API. ( |
impl_item_def_id: DefId | 🔬 This is a nightly-only experimental API. ( |
trait_item_def_id: DefId | 🔬 This is a nightly-only experimental API. ( |
ExprAssignable
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Checking that this expression can be assigned where it needs to be
MatchExpressionArm
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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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Computing common supertype in the arms of a match expression
Fields of MatchExpressionArm
arm_span: Span | 🔬 This is a nightly-only experimental API. ( |
source: MatchSource | 🔬 This is a nightly-only experimental API. ( |
IfExpression
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Computing common supertype in an if expression
IfExpressionWithNoElse
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Computing common supertype of an if expression with no else counter-part
MainFunctionType
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)
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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main
has wrong type
StartFunctionType
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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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start
has wrong type
IntrinsicType
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)
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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intrinsic has wrong type
MethodReceiver
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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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method receiver
ReturnNoExpression
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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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return
with no expression
ReturnType(NodeId)
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return
with an expression
BlockTailExpression(NodeId)
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Block implicit return
TrivialBound
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#[feature(trivial_bounds)] is not enabled
Trait Implementations
impl<'a, 'tcx> Lift<'tcx> for ObligationCauseCode<'a>
[src]
impl<'a, 'tcx> Lift<'tcx> for ObligationCauseCode<'a>
type Lifted = ObligationCauseCode<'tcx>
🔬 This is a nightly-only experimental API. (rustc_private
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fn lift_to_tcx<'b, 'gcx>(
&self,
tcx: TyCtxt<'b, 'gcx, 'tcx>
) -> Option<Self::Lifted>
[src]
fn lift_to_tcx<'b, 'gcx>(
&self,
tcx: TyCtxt<'b, 'gcx, 'tcx>
) -> Option<Self::Lifted>
🔬 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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impl<'tcx> Clone for ObligationCauseCode<'tcx>
[src]
impl<'tcx> Clone for ObligationCauseCode<'tcx>
fn clone(&self) -> ObligationCauseCode<'tcx>
[src]
fn clone(&self) -> ObligationCauseCode<'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> Debug for ObligationCauseCode<'tcx>
[src]
impl<'tcx> Debug for ObligationCauseCode<'tcx>
fn fmt(&self, f: &mut Formatter) -> Result
[src]
fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<'tcx> PartialEq for ObligationCauseCode<'tcx>
[src]
impl<'tcx> PartialEq for ObligationCauseCode<'tcx>
fn eq(&self, other: &ObligationCauseCode<'tcx>) -> bool
[src]
fn eq(&self, other: &ObligationCauseCode<'tcx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &ObligationCauseCode<'tcx>) -> bool
[src]
fn ne(&self, other: &ObligationCauseCode<'tcx>) -> bool
This method tests for !=
.
impl<'tcx> Eq for ObligationCauseCode<'tcx>
[src]
impl<'tcx> Eq for ObligationCauseCode<'tcx>
fn assert_receiver_is_total_eq(&self)
[src]
fn assert_receiver_is_total_eq(&self)
impl<'tcx> Hash for ObligationCauseCode<'tcx>
[src]
impl<'tcx> Hash for ObligationCauseCode<'tcx>
Auto Trait Implementations
impl<'tcx> !Send for ObligationCauseCode<'tcx>
impl<'tcx> !Send for ObligationCauseCode<'tcx>
impl<'tcx> !Sync for ObligationCauseCode<'tcx>
impl<'tcx> !Sync for ObligationCauseCode<'tcx>
Blanket Implementations
impl<T> MaybeResult for T
[src]
impl<T> MaybeResult for T
fn from_ok(T) -> T
[src]
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,
🔬 This is a nightly-only experimental API. (rustc_private
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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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impl<'a, T> Captures for T where
T: ?Sized,
[src]
impl<'a, T> Captures for T where
T: ?Sized,
impl<T> ToOwned for T where
T: Clone,
[src]
impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
[src]
fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
[src]
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
[src]
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>,
[src]
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,
[src]
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
[src]
impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
[src]
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
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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
[src]
impl<T> Erased for T
impl<T> Send for T where
T: ?Sized,
[src]
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