Closed
Description
Is your feature request related to a problem? Please describe.
Those two types are extremally common in my projects. It's not the most pleasent thing to do to implement those custom scalar types (it's really confusing, docs are sparse and examples don't really exist)
Describe the solution you'd like
Given the fact that uuid has built in support, I think it would be sane to either create a crate with implementations for those, or even do the same as with uuid and support those out of the box