syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":".try_collect::<IndexVec<_,"}]}
source_snippet:                         .try_collect::<IndexVec<_, _>>()
context_before:                         .map(|field| cx.layout_of(field.ty(tcx, args)))
context_after:                 })