Method groups

crates/stdlib/src/re.rs:436–451

(&self, default: OptionalArg, vm: &VirtualMachine)

        #[pymethod]
        fn groups(&self, default: OptionalArg, vm: &VirtualMachine) -> PyTupleRef {
            let default = default.into_option();
            let groups = self
                .captures
                .iter()
                .map(|capture| {
                    vm.unwrap_or_none(
                        capture
                            .as_ref()
                            .map(|bounds| self.subgroup(bounds.clone()).to_pyobject(vm))
                            .or_else(|| default.clone()),
                    )
                })
                .collect();
            vm.ctx.new_tuple(groups)
        }
    }
}