comparison rust/hg-core/src/matchers.rs @ 49351:97dcd6906e6f

rust-dirstate: add support for nevermatcher

This is in case this ever comes up, it's very easy to support, so might as well
do it.

49350:0b00998e336a

    fn is_exact(&self) -> bool {
        false
    }
}

/// Matches the input files exactly. They are interpreted as paths, not
/// patterns.
///
///```
/// use hg::{ matchers::{Matcher, FileMatcher}, utils::hg_path::{HgPath, HgPathBuf} };

49351:97dcd6906e6f

    fn is_exact(&self) -> bool {
        false
    }
}

/// Matches nothing.
#[derive(Debug)]
pub struct NeverMatcher;

impl Matcher for NeverMatcher {
    fn file_set(&self) -> Option<&HashSet<HgPathBuf>> {
        None
    }
    fn exact_match(&self, _filename: &HgPath) -> bool {
        false
    }
    fn matches(&self, _filename: &HgPath) -> bool {
        false
    }
    fn visit_children_set(&self, _directory: &HgPath) -> VisitChildrenSet {
        VisitChildrenSet::Empty
    }
    fn matches_everything(&self) -> bool {
        false
    }
    fn is_exact(&self) -> bool {
        true
    }
}

/// Matches the input files exactly. They are interpreted as paths, not
/// patterns.
///
///```
/// use hg::{ matchers::{Matcher, FileMatcher}, utils::hg_path::{HgPath, HgPathBuf} };