A simple structure representing a calendar date in UTC.
Provides idiomatic optional parameter values on top of Option, but which can be passed in as raw values, instead of having to pass in Some(value)
On-line mean and variance estimates for a stream of Double values.
A function object to convert to and from times in some particular string format
A function object to convert to and from times in the AWS billing format.
Factory methods and implicit conversions from raw values and Option to OptionalArg