Method register

crates/vm/src/codecs.rs:209–215

(&self, search_function: PyObjectRef, vm: &VirtualMachine)

    }

    pub fn register(&self, search_function: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {
        if !search_function.is_callable() {
            return Err(vm.new_type_error("argument must be callable"));
        }
        self.inner.write().search_path.push(search_function);
        Ok(())
    }

    pub fn unregister(&self, search_function: PyObjectRef) -> PyResult<()> {
        let mut inner = self.inner.write();