syntax_data: {"ast_node_type":"other","tokens":[{"end":28,"kind":"keyword","start":0,"text":"infcx:"}]}
source_snippet:     infcx: &InferCtxt<'tcx>,
context_before: pub(crate) fn lazily_elaborate_sizedness_candidate<'tcx>(
context_after:     obligation: &PolyTraitObligation<'tcx>,