Reuse driven by DataType

Raml 1.0 introduces new concept called DataType.  This fragment is used to declare type in a separate yaml file. This is not just a simplification of JSON schema to conform raml/yaml. It also brings simple improvements and syntax sugar that allows to write types in more concise form. And therefore more readable. In this article we will look at how to define own data types and reuse them in API and its implementation