When the exemplar type is an int, it incorrectly gets converted to a 0
when DoubleValue() is called on the exemplar. This adds a check to
ensure that the value is converted properly based on the type.
Signed-off-by: Charlie Le <charlie_le@apple.com>
We don't need multiple levels of abstraction to convert nanoseconds to
milliseconds.
We do benefit from tests, however.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>