syntax_data: {"ast_node_type":"function","tokens":[{"end":61,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn new(thir: &'a Thir<'tcx>, tcx: TyCtxt<'tcx>) -> Self {
context_before: impl<'a, 'tcx> LayoutConstrainedPlaceVisitor<'a, 'tcx> {
context_after:         Self { found: false, thir, tcx }