[−][src]Struct gu_base::SubCommand
The abstract representation of a command line subcommand.
This struct describes all the valid options of the subcommand for the program. Subcommands are
essentially "sub-App
s" and contain all the same possibilities (such as their own
arguments, subcommands, and settings).
Examples
App::new("myprog") .subcommand( SubCommand::with_name("config") .about("Used for configuration") .arg(Arg::with_name("config_file") .help("The configuration file to use") .index(1)))
Methods
impl<'a> SubCommand<'a>
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impl<'a> SubCommand<'a>
pub fn with_name<'b>(name: &str) -> App<'a, 'b>
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pub fn with_name<'b>(name: &str) -> App<'a, 'b>
Creates a new instance of a subcommand requiring a name. The name will be displayed to the user when they print version or help and usage information.
Examples
App::new("myprog") .subcommand( SubCommand::with_name("config"))
Trait Implementations
impl<'a> Debug for SubCommand<'a>
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impl<'a> Debug for SubCommand<'a>
fn fmt(&self, f: &mut Formatter) -> Result<(), Error>
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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>
Formats the value using the given formatter. Read more
impl<'a> Clone for SubCommand<'a>
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impl<'a> Clone for SubCommand<'a>
fn clone(&self) -> SubCommand<'a>
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fn clone(&self) -> SubCommand<'a>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
Auto Trait Implementations
impl<'a> Send for SubCommand<'a>
impl<'a> Send for SubCommand<'a>
impl<'a> Sync for SubCommand<'a>
impl<'a> Sync for SubCommand<'a>
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
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fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
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fn clone_into(&self, target: &mut T)
🔬 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> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)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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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
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fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)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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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> Erased for T
impl<T> Erased for T