syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"Ok(layout)"}]}
source_snippet:         Ok(layout) => Ok(tcx.mk_layout(layout)),
context_before:     let map_layout = |result: Result<_, _>| match result {
context_after:         Err(err) => Err(map_error(cx, ty, err)),