{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"///"}]}
/// defined by the metavar expression.
/// Handles `${count(t, depth)}`. `our_depth` is the recursion depth and `count_depth` is the depth
fn count(binding: &Binding<'_>, depth_curr: usize, depth_max: usize) -> usize {