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POfind about about the type of function parameters
 

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  1. POfind about about the type of function parameters
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    <p>can i somehow find all functions/macros that take a specific type of parameter ?</p> <p>for example, what function accepts a Namespace object as parameter ?</p> <p>(this is because i can create a namespace and store it in a var, but i don't know where i could use that var; what function might i pass that var to ?)</p> <p>here is some code:</p> <pre><code>user=&gt; (def working-namespace (create-ns 'my-namespace)) #'user/working-namespace ;i created a namspace and want to use it later user=&gt; (class working-namespace) clojure.lang.Namespace ; out of curiosity i found out that "working-namespace" is a Namespace object user=&gt; (ns working-namespace) nil working-namespace=&gt; ; but how do i switch to it ? this didn't do what i wanted... user=&gt; (refer working-namespace) java.lang.ClassCastException: clojure.lang.Namespace cannot be cast to clojure.lang.Symbol (NO_SOURCE_FILE:0) ; this did not work either as my expectations user=&gt; (the-ns working-namespace) #&lt;Namespace my-namespace&gt; user=&gt; (class (the-ns working-namespace)) clojure.lang.Namespace ; great, this gave me the same thing, a Namespace </code></pre> <p>hence the question: how do i use it dynamically (that's why i had put my namespace into a var) ? how do i get something useful for me from a var that points to a namespace ?</p> <p>i can try look around for functions that make use of a Namespace object or that convert it to something else. i did and only found "intern". searching by hand not seems not that promising</p> <p>what if i have this problem a million time ? is there an automated way to get me what i'm looking for without having to ask around each time ?</p>
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    1. USBelun
    1. USBelun
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    1. COYou might get more useful answers if you explain what you're trying to accomplish, rather than asking how do perform a certain implementation, since the latter may be inherently flawed or exclude better solutions to the former. E.g., ask how to get across the river, not how to build a bridge.
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      1. USAlex Taggart
    2. COWhy not inspect the source code ;) with a clojure script?
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      1. USHamish Grubijan
    3. CO@Alex Taggart: ok, created a more detailed use case with examples. now what ? :P
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      1. USBelun
 

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