Method trim_start_matches

crates/wtf8/src/lib.rs:1076–1090

(&self, f: impl Fn(CodePoint) -> bool)

    }

    pub fn trim_start_matches(&self, f: impl Fn(CodePoint) -> bool) -> &Self {
        let mut iter = self.code_points();
        loop {
            let old = iter.clone();
            match iter.next().map(&f) {
                Some(true) => continue,
                Some(false) => {
                    iter = old;
                    break;
                }
                None => return iter.as_wtf8(),
            }
        }
        iter.as_wtf8()
    }

    pub fn trim_end_matches(&self, f: impl Fn(CodePoint) -> bool) -> &Self {
        let mut iter = self.code_points();