syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"ty::FnDef(def_id,"}]}
source_snippet:             ty::FnDef(def_id, args)
context_before:             // Print all nominal types as paths (unlike `pretty_print_type`).
context_after:             | ty::Alias(ty::Projection | ty::Opaque, ty::AliasTy { def_id, args, .. })