pub enum Error {
NonUtf8Argument,
MissingArgument,
MissingOption(Keys),
OptionWithoutAValue(&'static str),
Utf8ArgumentParsingFailed {
value: String,
cause: String,
},
ArgumentParsingFailed {
cause: String,
},
}
A list of possible errors.
Arguments must be a valid UTF-8 strings.
A missing free-standing argument.
An option without a value.
Failed to parse a UTF-8 free-standing argument.
Show fields
Fields of Utf8ArgumentParsingFailed
Failed to parse a raw free-standing argument.
Show fields
Fields of ArgumentParsingFailed
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,
[src]
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
impl<T, U> Into<U> for T where
U: From<T>,
[src]
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
Converts the given value to a String
. Read more
impl<T, U> TryFrom<U> for T where
U: Into<T>,
[src]
The type returned in the event of a conversion error.
The type returned in the event of a conversion error.