在lein repl中需要core.async

Question

In a fresh lein (~2.5) repl, I type:

 (require '[clojure.string :as string])

And I can use string as expected. However, when trying to require core.asnc like so, I get an error msg:

(require '[clojure.core.async :as ca])
FileNotFoundException Could not locate clojure/core/async__init.class or clojure/core/async.clj on classpath.  clojure.lang.RT.load (RT.java:449)

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thanks to your answers I managed now to require arbitrary libs in a repl on runtime using pomegranate or alembic. But what about macros? How - for example - do I get the 'go' macro in the repl? There isn't something like (require-macros ... in analogy to the approach one would take when requiring core.async in a project's ns declaration.

Answer 1

core.async is not part of the clojure.core library. You need to add the core.async jar or sources to your classpath. The easiest way to do this is with a dependency via project.clj, but there are also tools like pomegranate and alembic for doing this at runtime, which could be added to your local profiles.clj.