App

Struct App 

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pub struct App {
    pub command: AppCmd,
}
Expand description

The main application.

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§command: AppCmd

Subcommand to execute.

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impl Args for App

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fn augment_args<'b>(__clap_app: Command<'b>) -> Command<'b>

Append to Command so it can instantiate Self. Read more
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fn augment_args_for_update<'b>(__clap_app: Command<'b>) -> Command<'b>

Append to Command so it can update self. Read more
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impl CommandFactory for App

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fn into_app<'b>() -> Command<'b>

Deprecated, replaced with CommandFactory::command
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fn into_app_for_update<'b>() -> Command<'b>

Deprecated, replaced with CommandFactory::command_for_update
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fn command<'help>() -> App<'help>

Build a Command that can instantiate Self. Read more
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fn command_for_update<'help>() -> App<'help>

Build a Command that can update self. Read more
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impl Debug for App

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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 FromArgMatches for App

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fn from_arg_matches(__clap_arg_matches: &ArgMatches) -> Result<Self, Error>

Instantiate Self from ArgMatches, parsing the arguments as needed. Read more
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fn from_arg_matches_mut( __clap_arg_matches: &mut ArgMatches, ) -> Result<Self, Error>

Instantiate Self from ArgMatches, parsing the arguments as needed. Read more
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fn update_from_arg_matches( &mut self, __clap_arg_matches: &ArgMatches, ) -> Result<(), Error>

Assign values from ArgMatches to self.
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fn update_from_arg_matches_mut( &mut self, __clap_arg_matches: &mut ArgMatches, ) -> Result<(), Error>

Assign values from ArgMatches to self.
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impl Parser for App

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fn parse() -> Self

Parse from std::env::args_os(), exit on error
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fn try_parse() -> Result<Self, Error>

Parse from std::env::args_os(), return Err on error.
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fn parse_from<I, T>(itr: I) -> Self
where I: IntoIterator<Item = T>, T: Into<OsString> + Clone,

Parse from iterator, exit on error
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fn try_parse_from<I, T>(itr: I) -> Result<Self, Error>
where I: IntoIterator<Item = T>, T: Into<OsString> + Clone,

Parse from iterator, return Err on error.
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fn update_from<I, T>(&mut self, itr: I)
where I: IntoIterator<Item = T>, T: Into<OsString> + Clone,

Update from iterator, exit on error
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fn try_update_from<I, T>(&mut self, itr: I) -> Result<(), Error>
where I: IntoIterator<Item = T>, T: Into<OsString> + Clone,

Update from iterator, return Err on error.
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impl Run for App

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fn run(self) -> Result<(), Error>

Run the application or subcommand.

Auto Trait Implementations§

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impl Freeze for App

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impl RefUnwindSafe for App

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impl Send for App

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impl Sync for App

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impl Unpin for App

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impl UnwindSafe for App

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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

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

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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<X> Pipe for X

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fn pipe<Return, Function>(self, f: Function) -> Return
where Self: Sized, Function: FnOnce(Self) -> Return,

Apply f to self. Read more
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fn pipe_ref<'a, Return, Function>(&'a self, f: Function) -> Return
where Function: FnOnce(&'a Self) -> Return,

Apply f to &self. Read more
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fn pipe_mut<'a, Return, Function>(&'a mut self, f: Function) -> Return
where Function: FnOnce(&'a mut Self) -> Return,

Apply f to &mut self. Read more
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fn pipe_as_ref<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: AsRef<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait AsRef<Param>. Read more
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fn pipe_as_mut<'a, Param, Return, Function>(&'a mut self, f: Function) -> Return
where Self: AsMut<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait AsMut<Param>. Read more
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fn pipe_deref<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: Deref<Target = Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait Deref<Target = Param>. Read more
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fn pipe_deref_mut<'a, Param, Return, Function>( &'a mut self, f: Function, ) -> Return
where Self: DerefMut<Target = Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait DerefMut<Target = Param>. Read more
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fn pipe_borrow<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: Borrow<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait Borrow<Param>. Read more
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fn pipe_borrow_mut<'a, Param, Return, Function>( &'a mut self, f: Function, ) -> Return
where Self: BorrowMut<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait BorrowMut<Param>. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.