Struct bparse::Optional

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pub struct Optional<P> { /* private fields */ }
Expand description

See optional

Trait Implementations§

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impl<P: Clone> Clone for Optional<P>

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fn clone(&self) -> Optional<P>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<P: Debug> Debug for Optional<P>

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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<P> Pattern for Optional<P>
where P: Pattern,

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fn test<'i>(&self, input: &'i [u8]) -> Option<(&'i [u8], &'i [u8])>

Tests the pattern against the input slice. If the pattern matches, the matching part is returned along with what is left of the input. Returns None if the pattern does not match
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fn or<P>(self, other: P) -> Or<Self, P>
where Self: Sized,

Expresses an alternate pattern. Read more
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fn and<P>(self, next: P) -> And<Self, P>
where Self: Sized,

Expreses a sequence of patterns Read more
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fn repeats<I: Into<Interval<usize>>>(self, count: I) -> Repeat<Self>
where Self: Sized,

Expresses pattern repetition Read more
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impl<P: Copy> Copy for Optional<P>

Auto Trait Implementations§

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impl<P> RefUnwindSafe for Optional<P>
where P: RefUnwindSafe,

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impl<P> Send for Optional<P>
where P: Send,

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impl<P> Sync for Optional<P>
where P: Sync,

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impl<P> Unpin for Optional<P>
where P: Unpin,

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impl<P> UnwindSafe for Optional<P>
where P: UnwindSafe,

Blanket Implementations§

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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.