{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"BuiltinFloat::F16"}]}
                BuiltinFloat::F16 => Name::new_symbol_root(sym::f16),
            BuiltinType::Float(it) => match it {
                BuiltinFloat::F32 => Name::new_symbol_root(sym::f32),