Set the value for a gauge.

    >>> import statsdecor
    >>> statsdecor.gauge('my.metric', 10)

def gauge(name, value, rate=1, tags=None):
    """Set the value for a gauge.

    >>> import statsdecor
    >>> statsdecor.gauge('my.metric', 10)
    """
    client().gauge(name, value, rate, tags)