pub fn insert_env_and_output<I, O, R, F>(operator: F) -> InsertEnvAndOutput<R>where
    R: for<'a> RefOperator<'a, I, Output = O>,
    O: Clone + Send + Sync + 'static,
    F: FnOnce() -> R,
Expand description

Create an output operator that insert the output into the env context.