harper_core::patterns

Struct EitherPattern

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pub struct EitherPattern { /* private fields */ }
Expand description

A pattern that returns the value of the first non-zero match in a list.

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impl EitherPattern

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pub fn new(patterns: Vec<Box<dyn Pattern>>) -> Self

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pub fn add(&mut self, pattern: Box<dyn Pattern>)

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impl Default for EitherPattern

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fn default() -> EitherPattern

Returns the “default value” for a type. Read more
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impl Pattern for EitherPattern

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fn matches(&self, tokens: &[Token], source: &[char]) -> usize

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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<P> DocPattern for P
where P: PatternExt,

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fn find_all_matches_in_doc(&self, document: &Document) -> Vec<Span>

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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> IntoEither for T

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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 more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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
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impl<P> OwnedPatternExt for P
where P: Pattern + 'static,

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fn or(self, other: Box<dyn Pattern>) -> EitherPattern

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impl<P> PatternExt for P
where P: Pattern,

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fn find_all_matches(&self, tokens: &[Token], source: &[char]) -> Vec<Span>

Search through all tokens to locate all non-overlapping pattern matches.
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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.