pub exec fn ex_result_branch<T, E>(
    result: Result<T, E>
) -> cf : ControlFlow<<Result<T, E> as Try>::Residual, <Result<T, E> as Try>::Output>
Expand description
ensures
cf
    === match result {
        Ok(v) => ControlFlow::Continue(v),
        Err(e) => ControlFlow::Break(Err(e)),
    },