Hey,
cljs.test/assert-expr is part of the CLJ macro side so it can't be extended
from a CLJS REPL. You can write it in a .clj file and use (require-macros
'that.ns) from the CLJS REPL or use :require-macros in the ns form that
uses the new assert-expr.
HTH,
Thomas
On Thursday, September 26, 2019 at 9:43:19 PM UTC+2, jvshahid wrote:
>
> Hi all,
>
> I am trying to implement custom assertions in ClojureScript. I tried to
> use defmethod but got the following error:
>
> > clojure -Sdeps '{:deps {org.clojure/clojurescript {:mvn/version
> "1.10.520"}}}' -m cljs.main --repl --repl-env node
> > cljs.user=> (require '[cljs.test])
> > nil
> > cljs.user=> (defmethod cljs.test/assert-expr 'foo [& arg])
> > WARNING: Use of undeclared Var cljs.test/assert-expr at line 1 <cljs
> repl>
> > Execution error (Error) at (<cljs repl>:1).
> > No protocol method IMultiFn.-add-method defined for type undefined:
> >
> > cljs.user=> cljs.test/assert-expr
> > WARNING: Use of undeclared Var cljs.test/assert-expr at line 1 <cljs
> repl>
> > nil
>
> What am I doing wrong?
>
> Thanks,
>
> JS
>
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