Import does not demand name mapping. You can import a full path without
aliasing. This will work fine:
(ns multi.core
(:require [multi.ns1]
[multi.ns2])
(:import [multi.ns1.Animal]
[multi.ns2.Animal]))
(multi.ns1.Animal. "hi")
(But remember to use the keyword :import, not the symbol. This will be
tightened up in the future.)
On Friday, March 17, 2017 at 4:28:09 PM UTC-5, tmountain wrote:
>
> Say that I have the following:
>
> -- ns1.clj --
> (ns multi.ns1)
> (defrecord Animal [name])
>
>
> -- ns2.clj --
> (ns multi.ns2)
> (defrecord Animal [name])
>
> -- core.clj --
> (ns multi.core
> (:require [multi.ns1]
> [multi.ns2])
> (import [multi.ns1 Animal]
> [multi.ns2 Animal]))
>
>
> My intent is to have a multimethod with target such as:
>
> (defmethod stringify multi.ns1.Animal ...)
> (defmethod stringify multi.ns2.Animal ...)
>
> My problem is that I'm forced to use import to bring in the records
> defined in ns1 and ns2, but once I do this, I lose the ability to refer to
> these classes by their fully-qualified names and the following conflict
> occurs.
>
> java.lang.IllegalStateException: Animal already refers to: class
> multi.ns1.Animal
>
> This actually works from the repl, which tells me it's getting the records
> onto the classpath ahead of time.
>
>
>
> multi.core=> (require 'multi.ns1)
> nil
> multi.core=> (require 'multi.ns2)
> nil
> multi.core=> multi.ns1.Animal
> multi.ns1.Animal
>
> I bumped into this in the process of exploring the expression problem. Is
> there a way around it?
>
>
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