syntax_data: {"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"{"}]}
source_snippet:                     {
context_before:                         != self.tcx.layout_scalar_valid_range(adt_def.did())
context_after:                         let old_inside_adt = std::mem::replace(&mut self.inside_adt, true);