Add Spec to Clojure Projects

Add the clojure.spec.alpha to any namespaces in the project that will directly use the functions from that library. It is recommended to use the spec alias to clearly indicate where those functions are defined.

(ns practicalli.leveraging-spec
  (:require [clojure.spec.alpha :as spec]))

Evaluate the namespace definition to start using the functions from the namespace.

Clojure project - reqiure namespace and evaluate

Using Spec functions

All functions from clojure.spec.alpha are accessible using the spec alias, e.g. spec/conform, spec/valid?, spec/def.

Testing specifications

Add the clojure.spec.test.alpha to any namespaces in the project that will directly use the functions from that library. It is recommended to use the spec-test alias to clearly indicate where those functions are defined.

(ns practicalli.leveraging-spec
  (:require [clojure.spec.alpha :as spec]
            [clojure.spec.test.alpha :as spec-test]))

Using Spec functions

All functions from clojure.spec.alpha are accessible using the spec alias, e.g. spec/conform, spec/valid?, spec/def.

Creating new projects

Create a new Clojure project using the clj-new tool or open an existing deps.edn based project.

clojure -M:new lib practicalli/leveraging-spec

The clj-new tool will include Clojure 1.10.x as a project dependency, which in turn includes the clojure.spec.alpha library.

The practicalli/leveraging-spec project is a working example that includes clojure.spec.alpha.

new alias in practicalli/clojure-deps

Review or clone the practicalli/clojure-deps repository to include the alias to create a new Clojure project from a template using clj-new.

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