Struct aho_corasick::packed::Config

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

The configuration for a packed multiple pattern searcher.

The configuration is currently limited only to being able to select the match semantics (leftmost-first or leftmost-longest) of a searcher. In the future, more knobs may be made available.

A configuration produces a packed::Builder, which in turn can be used to construct a packed::Searcher for searching.

§Example

This example shows how to use leftmost-longest semantics instead of the default (leftmost-first).

use aho_corasick::{packed::{Config, MatchKind}, PatternID};

let searcher = Config::new()
    .match_kind(MatchKind::LeftmostLongest)
    .builder()
    .add("foo")
    .add("foobar")
    .build()?;
let matches: Vec<PatternID> = searcher
    .find_iter("foobar")
    .map(|mat| mat.pattern())
    .collect();
assert_eq!(vec![PatternID::must(1)], matches);

Implementations§

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impl Config

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pub fn new() -> Config

Create a new default configuration. A default configuration uses leftmost-first match semantics.

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pub fn builder(&self) -> Builder

Create a packed builder from this configuration. The builder can be used to accumulate patterns and create a Searcher from them.

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pub fn match_kind(&mut self, kind: MatchKind) -> &mut Config

Set the match semantics for this configuration.

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pub fn heuristic_pattern_limits(&mut self, yes: bool) -> &mut Config

Request that heuristic limitations on the number of patterns be employed. This useful to disable for benchmarking where one wants to explore how Teddy performs on large number of patterns even if the heuristics would otherwise refuse construction.

This is enabled by default.

Trait Implementations§

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impl Clone for Config

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fn clone(&self) -> Config

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 Config

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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 Config

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fn default() -> Config

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

Auto Trait Implementations§

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impl Freeze for Config

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impl RefUnwindSafe for Config

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impl Send for Config

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impl Sync for Config

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impl Unpin for Config

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impl UnwindSafe for Config

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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: 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.