syntax_data: {"ast_node_type":"other","tokens":[{"end":7,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///
context_before:     /// match the Rust type's alignment; see documentation of `pass_by_stack_offset` for more info.
context_after:     /// `on_stack` cannot be true for unsized arguments, i.e., when `meta_attrs` is `Some`.