Method __sub__

crates/vm/src/builtins/dict.rs:1195–1199

(zelf: PyRef<Self>, other: ArgIterable, vm: &VirtualMachine)

    }

    fn __sub__(zelf: PyRef<Self>, other: ArgIterable, vm: &VirtualMachine) -> PyResult<PySet> {
        let zelf = Self::to_set(zelf, vm)?;
        let inner = zelf.difference(other, vm)?;
        Ok(PySet { inner })
    }

    fn __rsub__(zelf: PyRef<Self>, other: ArgIterable, vm: &VirtualMachine) -> PyResult<PySet> {
        let left = PySetInner::from_iter(other.iter(vm)?, vm)?;