syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"ty::GenericArgKind::Const(ct)"}]}
source_snippet:             ty::GenericArgKind::Const(ct) => ct.is_ct_var(),
context_before:             ty::GenericArgKind::Type(ty) => ty.is_ty_var(),
context_after:         }