Enum pico_args::Error[−][src]

pub enum Error {
    NonUtf8Argument,
    MissingArgument,
    MissingOption(Keys),
    OptionWithoutAValue(&'static str),
    Utf8ArgumentParsingFailed {
        value: String,
        cause: String,
    },
    ArgumentParsingFailed {
        cause: String,
    },
}
Expand description

A list of possible errors.

Variants

NonUtf8Argument

Arguments must be a valid UTF-8 strings.

MissingArgument

A missing free-standing argument.

MissingOption(Keys)

A missing option.

OptionWithoutAValue(&'static str)

An option without a value.

Utf8ArgumentParsingFailed

Failed to parse a UTF-8 free-standing argument.

Show fields

Fields of Utf8ArgumentParsingFailed

value: Stringcause: String
ArgumentParsingFailed

Failed to parse a raw free-standing argument.

Show fields

Fields of ArgumentParsingFailed

cause: String

Trait Implementations

impl Clone for Error[src]

fn clone(&self) -> Error[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for Error[src]

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

Formats the value using the given formatter. Read more

impl Display for Error[src]

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

Formats the value using the given formatter. Read more

impl Error for Error[src]

fn source(&self) -> Option<&(dyn Error + 'static)>1.30.0[src]

The lower-level source of this error, if any. Read more

fn backtrace(&self) -> Option<&Backtrace>[src]

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

fn description(&self) -> &str1.0.0[src]

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

Read more

fn cause(&self) -> Option<&dyn Error>1.0.0[src]

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

Auto Trait Implementations

impl RefUnwindSafe for Error

impl Send for Error

impl Sync for Error

impl Unpin for Error

impl UnwindSafe for Error

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 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> ToString for T where
    T: Display + ?Sized, [src]

pub default fn to_string(&self) -> String[src]

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

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

Performs the conversion.