Enum aho_corasick::StartKind

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pub enum StartKind {
    Both,
    Unanchored,
    Anchored,
}
Expand description

The kind of anchored starting configurations to support in an Aho-Corasick searcher.

Depending on which searcher is used internally by AhoCorasick, supporting both unanchored and anchored searches can be quite costly. For this reason, AhoCorasickBuilder::start_kind can be used to configure whether your searcher supports unanchored, anchored or both kinds of searches.

This searcher configuration knob works in concert with the search time configuration Input::anchored. Namely, if one requests an unsupported anchored mode, then the search will either panic or return an error, depending on whether you’re using infallible or fallibe APIs, respectively.

AhoCorasick by default only supports unanchored searches.

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Both

Support both anchored and unanchored searches.

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Unanchored

Support only unanchored searches. Requesting an anchored search will return an error in fallible APIs and panic in infallible APIs.

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Anchored

Support only anchored searches. Requesting an unanchored search will return an error in fallible APIs and panic in infallible APIs.

Trait Implementations§

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impl Clone for StartKind

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fn clone(&self) -> StartKind

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 Debug for StartKind

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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 Default for StartKind

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fn default() -> StartKind

Returns the “default value” for a type. Read more
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impl PartialEq for StartKind

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fn eq(&self, other: &StartKind) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for StartKind

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impl Eq for StartKind

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impl StructuralPartialEq for StartKind

Auto Trait Implementations§

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> CloneToUninit for T
where T: Copy,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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.