[−][src]Struct clap::Error
Command Line Argument Parser Error
Fields
message: String
Formatted error message
kind: ErrorKind
The type of error
info: Option<Vec<String>>
Any additional information passed along, such as the argument name that caused the error
Methods
impl Error
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pub fn use_stderr(&self) -> bool
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Should the message be written to stdout
or not
pub fn exit(&self) -> !
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Prints the error to stderr
and exits with a status of 1
pub fn with_description(description: &str, kind: ErrorKind) -> Self
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Create an error with a custom description.
This can be used in combination with Error::exit
to exit your program
with a custom error message.
Trait Implementations
impl From<Error> for Error
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impl From<Error> for Error
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impl Display for Error
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impl Debug for Error
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impl Error for Error
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fn description(&self) -> &str
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fn cause(&self) -> Option<&dyn Error>
1.0.0[src]
Deprecated since 1.33.0:
replaced by Error::source, which can support downcasting
The lower-level cause of this error, if any. Read more
fn source(&self) -> Option<&(dyn Error + 'static)>
1.30.0[src]
The lower-level source of this error, if any. Read more
Auto Trait Implementations
impl Sync for Error
impl Send for Error
impl Unpin for Error
impl UnwindSafe for Error
impl RefUnwindSafe for Error
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
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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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,