{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"(Name::new_symbol_root(sym::f16),"}]}
            (Name::new_symbol_root(sym::f16), BuiltinType::Float(BuiltinFloat::F16)),
            (Name::new_symbol_root(sym::f32), BuiltinType::Float(BuiltinFloat::F32)),