Macro erdos::make_operator_runner

macro_rules! make_operator_runner {
    ($t:ty, $config:expr, ($($rs:ident),+), ($($ws:ident),+)) => { ... };
    ($t:ty, $config:expr, ($($rs:ident),+), ()) => { ... };
    ($t:ty, $config:expr, (), ($($ws:ident),+)) => { ... };
    ($t:ty, $config:expr, (), ()) => { ... };
}

Makes a closure that runs an operator inside of an operator exectuor when invoked.

Note: this is intended as an internal macro called by connect_x_write!