Struct memchr::memmem::searcher::Pre

pub(crate) struct Pre<'a> {
    prestate: &'a mut PrefilterState,
    prestrat: &'a Prefilter,
}

A combination of prefilter effectiveness state and the prefilter itself.

Fields

prestate: &'a mut PrefilterState

State that tracks the effectiveness of a prefilter.

prestrat: &'a Prefilter

The actual prefilter.

Implementations

impl<'a> Pre<'a>

pub(crate) fn find(&mut self, haystack: &[u8]) -> Option<usize>

Call this prefilter on the given haystack with the given needle.

pub(crate) fn is_effective(&mut self) -> bool

Return true if and only if this prefilter should be used.

Trait Implementations

impl<'a> Debug for Pre<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.