mutru

import itertools
import random
import simpy


def visitor(name, env, coffee_process, coffee_supply, mug_size, waittimes):
    print("%s arriving at coffee station at %.1f" % (name, env.now))
    with coffee_process.request() as req:
        start = env.now
        # Request coffee_supply

bitdivine

CREATE OR REPLACE FUNCTION weighted_stddev_state(state numeric[], val numeric, weight numeric) RETURNS numeric[3] AS
$$
BEGIN
        IF weight IS NULL OR val IS NULL
        THEN RETURN state;
        ELSE RETURN ARRAY[state[1]+weight, state[2]+val*weight, state[3]+val^2*weight];
        END IF;
END;
$$
LANGUAGE plpgsql;