pub struct OptParseError { /* private fields */ }
Expand description

Single option parse error

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impl OptParseError

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pub fn kind(&self) -> OptParseErrorKind

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pub fn desc1_str(&self) -> &str

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impl OptParseError

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pub fn help_message(desc1: &str) -> Self

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pub fn version_message(desc1: &str) -> Self

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pub fn invalid_option(desc1: &str) -> Self

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pub fn missing_option(desc1: &str) -> Self

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pub fn invalid_option_argument(desc1: &str, desc2: &str) -> Self

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pub fn unexpected_option_argument(desc1: &str, desc2: &str) -> Self

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pub fn missing_option_argument(desc1: &str) -> Self

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pub fn unexpected_argument(desc1: &str) -> Self

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pub fn missing_argument(desc1: &str) -> Self

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pub fn invalid_subcommand(desc1: &str) -> Self

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pub fn missing_subcommand(desc1: &str) -> Self

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pub fn ambiguous_option(desc1: &str, desc2: &str) -> Self

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pub fn ambiguous_subcommand(desc1: &str, desc2: &str) -> Self

Trait Implementations§

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impl Debug for OptParseError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for OptParseError

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fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Error for OptParseError

1.30.0 · source§

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
1.0.0 · source§

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl HelpVersion for OptParseError

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fn is_help(&self) -> bool

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fn is_version(&self) -> bool

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impl PartialEq<OptParseError> for OptParseError

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fn eq(&self, other: &OptParseError) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for OptParseError

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impl StructuralEq for OptParseError

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impl StructuralPartialEq for OptParseError

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<E> Provider for Ewhere E: Error + ?Sized,

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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide all values they are able to provide by using demand. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.