pub struct Optional { /* private fields */ }Expand description
An optional expression.
Forces the optional expression to always return Some by transmuting None into
Some(cursor..cursor).
Implementations§
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Optional
impl !RefUnwindSafe for Optional
impl !Send for Optional
impl !Sync for Optional
impl Unpin for Optional
impl !UnwindSafe for Optional
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<E> ExprExt for E
impl<E> ExprExt for E
Source§fn iter_matches<'a>(
&'a self,
tokens: &'a [Token],
source: &'a [char],
) -> Box<dyn Iterator<Item = Span> + 'a>
fn iter_matches<'a>( &'a self, tokens: &'a [Token], source: &'a [char], ) -> Box<dyn Iterator<Item = Span> + 'a>
Iterate over all matches of this expression in the document, automatically filtering out
overlapping matches, preferring the first.
fn iter_matches_in_doc<'a>( &'a self, doc: &'a Document, ) -> Box<dyn Iterator<Item = Span> + 'a>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more