syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"instance.args.non_erasable_generics().next().is_some()"}]}
source_snippet:     instance.args.non_erasable_generics().next().is_some()
context_before: fn is_generic<'tcx>(instance: Instance<'tcx>) -> bool {
context_after: }