syntax_data: {"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"cx.thir.params.push(Param"}]}
source_snippet:             cx.thir.params.push(Param {
context_before:         if tcx.is_coroutine(owner_def.to_def_id()) && body.params.is_empty() {
context_after:                 ty: tcx.types.unit,