syntax_data: {"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:                 match capture {
context_before:                 projs.push(ProjectionElem::Field(FieldIdx::new(i), ty));
context_after:                     ty::UpvarCapture::ByValue | ty::UpvarCapture::ByUse => {}