syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// or in the callee (if the type's alignment is higher than the byval alignment),
context_before:     /// either in the caller (if the type's alignment is lower than the byval alignment)
context_after:     /// to ensure that Rust code never sees an underaligned pointer.