phantom-type 0.3.1

A `PhantomData` analog which prevents "parameter is never used" error, but does not produce any restrictions in contrast with `PhantomData`.

phantom-type's sandbox limits

All the builds on are executed inside a sandbox with limited resources. The limits for this crate are the following:

Available RAM 3 GB
Maximum rustdoc execution time 15 minutes
Maximum size of a build log 100 KB
Network access blocked
Maximum number of build targets 10

If a build fails because it hit one of those limits please open an issue to get them increased.