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Editorial Team
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Asked: 2026-05-23T22:33:41+00:00

I’m using Leiningen (for the first time) to manage an app my writing. So

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I’m using Leiningen (for the first time) to manage an app my writing. So far I’ve defined the project dependencies, installed the deps in the project lib directory, and I’ve defined a function. When I run lein repl from the project root and then call the function I’ve defined, I get the error unable to resolve symbol. Anyone know what I’m doing wrong and how to correctly run my app via Leiningen? Thanks.

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1 Answer

  1. Editorial Team

    from the leiningen repl you will have to switch to the namespace your function was defined in with the in-ns macro.

    (in-ns 'myproject.core)

    then the function should be available
    you could also use that namespace from the repl to include it in the default (user) namespace. 

    (use 'myproject.core)

    after that you may want to consider looking into the lein run, lein uberjar, and lein jar leiningen tasks.

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