Function boundary_before

codegraph-kernel/src/cfnptr.rs:157–159

(s: &[u8], i: usize)

/// JS `\b` before position `i` (position 0, or previous byte non-word).
#[inline]
fn boundary_before(s: &[u8], i: usize) -> bool {
    i == 0 || !is_word(s[i - 1])
}

fn find_bytes(s: &[u8], needle: &[u8], from: usize) -> Option<usize> {