pub struct Error { /* fields omitted */ }
Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more
The lower-level source of this error, if any. Read more
🔬 This is a nightly-only experimental API. (backtrace
)
Returns a stack backtrace, if available, of where this error occurred. Read more
👎 Deprecated since 1.42.0:
use the Display impl or to_string()
👎 Deprecated since 1.33.0:
replaced by Error::source, which can support downcasting
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: Any,
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pub fn as_fail(&self) -> &(dyn Fail + 'static)
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Converts a reference to Self
into a dynamic trait object of Fail
.
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
Convert Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
. Read more
Convert Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read more
pub fn as_any(&self) -> &(dyn Any + 'static)
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Convert &Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s. Read more
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
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Convert &mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s. Read more
Convert Arc<Trait>
(where Trait: Downcast
) to Arc<Any>
. Arc<Any>
can then be
further downcast
into Arc<ConcreteType>
where ConcreteType
implements Trait
. Read more
Returns a reference to the underlying cause of this failure, if it
is an error that wraps other errors. Read more
Returns a reference to the Backtrace
carried by this failure, if it
carries one. Read more
Wraps this failure in a compatibility wrapper that implements
std::error::Error
. Read more
impl<T, U> Into<U> for T where
U: From<T>,
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The alignment of pointer.
type Init = T
The type for initializers.
Initializes a with the given initializer. Read more
Mutably dereferences the given pointer. Read more
Drops the object pointed to by the given pointer. Read more
The inverse inclusion map: attempts to construct self
from the equivalent element of its
superset. Read more
Checks if self
is actually part of its subset T
(and can be converted to it).
Use with care! Same as self.to_subset
but without any property checks. Always succeeds.
The inclusion map: converts self
to the equivalent element of its superset.
The inverse inclusion map: attempts to construct self
from the equivalent element of its
superset. Read more
Checks if self
is actually part of its subset T
(and can be converted to it).
Use with care! Same as self.to_subset
but without any property checks. Always succeeds.
The inclusion map: converts self
to the equivalent element of its superset.
Converts the given value to a String
. Read more
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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The type returned in the event of a conversion error.
The type returned in the event of a conversion error.