pub struct Error<E> { /* private fields */ }
Expand description
Encoding error.
Implementations§
source§impl<E> Error<E>
impl<E> Error<E>
sourcepub fn message<T: Display>(msg: T) -> Self
pub fn message<T: Display>(msg: T) -> Self
Construct an error with a generic message.
With feature "alloc"
any type T: Display
is accepted which allows
formatted strings. Otherwise only a &'static str
can be used as a
message.
sourcepub fn custom<T: Error + Send + Sync + 'static>(err: T) -> Self
pub fn custom<T: Error + Send + Sync + 'static>(err: T) -> Self
A custom error.
Requires feature "std"
.
sourcepub fn with_message<T: Display>(self, msg: T) -> Self
pub fn with_message<T: Display>(self, msg: T) -> Self
Add a message to this error value.
With feature "alloc"
any type T: Display
is accepted which allows
formatted strings. Otherwise only a &'static str
can be used as a
message.
pub fn is_message(&self) -> bool
pub fn is_write(&self) -> bool
pub fn is_custom(&self) -> bool
Trait Implementations§
source§impl<E: Error + 'static> Error for Error<E>
impl<E: Error + 'static> Error for Error<E>
source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
The lower-level source of this error, if any. Read more
1.0.0 · source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()
Auto Trait Implementations§
impl<E> Freeze for Error<E>where
E: Freeze,
impl<E> !RefUnwindSafe for Error<E>
impl<E> Send for Error<E>where
E: Send,
impl<E> Sync for Error<E>where
E: Sync,
impl<E> Unpin for Error<E>where
E: Unpin,
impl<E> !UnwindSafe for Error<E>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more