syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"ty::Array(typ,"}]}
source_snippet:             ty::Array(typ, sz) => ty::Array(typ.fold_with(folder), sz.fold_with(folder)),
context_before:             ty::RawPtr(ty, mutbl) => ty::RawPtr(ty.fold_with(folder), mutbl),
context_after:             ty::Slice(typ) => ty::Slice(typ.fold_with(folder)),