pub fn classify_depth<'i, I, Q>(
    iter: Q,
    opening: BracketType
) -> impl DepthIterator<'i, I, Q, BLOCK_SIZE>where
    I: InputBlockIterator<'i, BLOCK_SIZE>,
    Q: QuoteClassifiedIterator<'i, I, BLOCK_SIZE>,
Expand description

Enrich quote classified blocks with depth information.