Method py_find

crates/vm/src/anystr.rs:255–266

(&self, needle: &Self, range: Range<usize>, find: F)

    #[inline]
    fn py_find<F>(&self, needle: &Self, range: Range<usize>, find: F) -> Option<usize>
    where
        F: Fn(&Self, &Self) -> Option<usize>,
    {
        if range.is_normal() {
            let start = range.start;
            let index = find(self.get_chars(range), needle)?;
            Some(start + index)
        } else {
            None
        }
    }

    #[inline]
    fn py_count<F>(&self, needle: &Self, range: Range<usize>, count: F) -> usize