[−][src]Enum menu::Parameter
Describes a parameter to the command
Variants
Mandatory
A mandatory positional parameter
Fields of Mandatory
parameter_name: &'a str
A name for this mandatory positional parameter
help: Option<&'a str>
Help text
Optional
An optional positional parameter. Must come after the mandatory positional arguments.
Fields of Optional
Named
An optional named parameter with no argument (e.g. --verbose
or --dry-run
)
Fields of Named
NamedValue
A optional named parameter with argument (e.g. --mode=foo
or --level=3
)
Fields of NamedValue
parameter_name: &'a str
The bit that comes after the --
argument_name: &'a str
The bit that comes after the --name=
, e.g. INT
or FILE
. It's mostly for help text.
help: Option<&'a str>
Help text
Trait Implementations
Auto Trait Implementations
Blanket Implementations
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> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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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> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
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> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,