Function subscript_span

codegraph-kernel/src/cfnptr.rs:896–909

`\[[^\][]*\]` at `i` (the DISPATCH subscript form — no nested brackets): position after `]`, or None.

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

/// `\[[^\][]*\]` at `i` (the DISPATCH subscript form — no nested brackets):
/// position after `]`, or None.
fn subscript_span(s: &[u8], i: usize) -> Option<usize> {
    if s.get(i) != Some(&b'[') {
        return None;
    }
    let mut j = i + 1;
    while j < s.len() && s[j] != b']' && s[j] != b'[' {
        j += 1;
    }
    if j < s.len() && s[j] == b']' {
        Some(j + 1)
    } else {
        None
    }
}

/// `\s*(?:->|\.)\s*` at `i` → position after.