Reference 〉 Hook

matchAccept(*agentslist[Agent])

In matching models, Helipad runs all matching groups through matchAccept. Return True to accept the match, and False to reject the match, in which case the matched agents return to the pool.

WARNING: Be careful that you do not write a situation where all remaining agents have matched and matchAccept returns False for the only remaining pair. The model will hang in this case. To actively select matches rather than reject random ones, use matchSelect.

Required Parameters

  • *agents — list[Agent]

    The matched agents are passed as arguments to the function. If model.order=='match-3', for example, the function will take 3 arguments. Use *agent to get the agents as a list.

Expected Return Value — bool

True to accept the match, False to reject it and return the agents to the pool.

Notes and Examples

  1. charwick

    Mar 28, 2020 at 1:10

    This example ensures that two agents of the same breed do not match.

    heli.order = 'match-2'

@heli.hook
def matchAccept(a1, a2):
	return not a1.breed == a2.breed
    1

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