mgModgenHasTopology

mgModgenHasTopology(
d_modgenId
)
=> t / nil

Checks whether the specified Modgen contains a topology.

d_modgenId

A valid Modgen figGroup, storage group, or constraint ID.

`t`	Topology was found in the specified Modgen.
`nil`	Topology was not found in the specified Modgen.

Returns t if the specified Modgen constraint ID (cid) has a topology pattern:

mgModgenHasTopology(cid)