clojure clojure.spec
Syntax
- :: is a shorthand a namespace-qualified keyword. E.g. if we are in the namespace user: ::foo is a shorthand for :user/foo
- #: or # - map-literal syntax for qualifying keys in a map by a namespace
Remarks
Clojure spec is a new specification/contracts library for clojure available as of version 1.9.
Specs are leveraged in a number of ways including being included in documentation, data validation, generating data for testing and more.
