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zensols.actioncli.ns

Useful namespace macros.

Some macros taken from clojure/clojure-contrib.

with-context-ns

macro

(with-context-ns var [attr-map? references*] exprs*)

Just like with-ns but brings in a context into the temporary namespace.

The var parameter is the variable to pass to the temporary namespace.

Example

(let [abind 'someval]
  (with-context-ns
      abind
      [(:require [clojure.string :as s])]
    (s/capitalize (str (name abind)))))

See clojure.core/ns.

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with-ns

macro

(with-ns [attr-map? references*] exprs*)

Just like with-temp-ns but allows an clojure.core/ns specification (not including the namespace name).

Example

(with-ns
  [(:require [clojure.string :as s])]
  (s/capitalize "here"))

See clojure.core/ns.

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with-other-ns

macro

(with-other-ns ns & body)

Evaluates body in another namespace. ns is either a namespace object or a symbol. This makes it possible to define functions in namespaces other than the current one.

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with-temp-ns

macro

(with-temp-ns & body)

Evaluates body in an anonymous namespace, which is then immediately removed. The temporary namespace will ‘refer’ clojure.core.

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