get_or_create_dimension function

(Shortest import: from brian2 import get_or_create_dimension)

brian2.units.fundamentalunits.get_or_create_dimension(*args, **kwds)[source]

Create a new Dimension object or get a reference to an existing one. This function takes care of only creating new objects if they were not created before and otherwise returning a reference to an existing object. This allows to compare dimensions very efficiently using is.