hermes_cli_components::impls::parse::string

Struct ParseFromOptionalString

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pub struct ParseFromOptionalString<Parsed>(pub PhantomData<Parsed>);

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§0: PhantomData<Parsed>

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impl<App, Args, Tag, Parsed> ArgParser<App, Args, Tag> for ParseFromOptionalString<Parsed>
where App: CanRaiseError<Parsed::Err>, Args: HasField<Tag, Field = Option<String>>, Parsed: Async + FromStr,

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type Parsed = Option<Parsed>

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fn parse_arg( _app: &App, args: &Args, _tag: PhantomData<Tag>, ) -> Result<Option<Parsed>, App::Error>

Auto Trait Implementations§

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impl<Parsed> Freeze for ParseFromOptionalString<Parsed>

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impl<Parsed> RefUnwindSafe for ParseFromOptionalString<Parsed>
where Parsed: RefUnwindSafe,

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impl<Parsed> Send for ParseFromOptionalString<Parsed>
where Parsed: Send,

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impl<Parsed> Sync for ParseFromOptionalString<Parsed>
where Parsed: Sync,

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impl<Parsed> Unpin for ParseFromOptionalString<Parsed>
where Parsed: Unpin,

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impl<Parsed> UnwindSafe for ParseFromOptionalString<Parsed>
where Parsed: UnwindSafe,

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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<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.
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impl<A> Async for A
where A: Send + Sync + 'static,