syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// // ^          ^            |          |           |
context_before:     ///    for<'a> fn(for<'b> fn(&'b isize, &'a isize), &'a char)
context_after:     /// // |          |            |          |           |