__all__ = ["SpikeSource"]
A source of spikes.
An object that can be used as a source of spikes for objects such as
`SpikeMonitor`, `Synapses`, etc.
The defining properties of `SpikeSource` are that it should have:
* A length that can be extracted with ``len(obj)``, where the maximum spike
index possible is ``len(obj)-1``.
* An attribute `spikes`, an array of ints each from 0 to
``len(obj)-1`` with no repeats (but possibly not in sorted order). This
should be updated each time step.
* A `clock` attribute, this will be used as the default clock for objects
with this as a source.
.. attribute:: spikes
An array of ints, each from 0 to ``len(obj)-1`` with no repeats (but
possibly not in sorted order). Updated each time step.
.. attribute:: clock
The clock on which the spikes will be updated.
# No implementation, just used for documentation purposes.