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Describe non-printing of returned nil [skip ci] (#514)

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Graham Carlyle 2020-07-27 19:26:05 +01:00 committed by GitHub
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@ -782,6 +782,18 @@ with `lein repl`:
(nrepl-eval 52054 "(+ 1 2 3)") ;;=> "6" (nrepl-eval 52054 "(+ 1 2 3)") ;;=> "6"
``` ```
## Printing returned values
Babashka doesn't print a returned `nil` as lots of scripts end in something side-effecting.
``` shell
$ bb '(:a {:a 5}'
5
$ bb '(:b {:a 5}'
$
```
If you really want to print the nil, you can use `(prn ..)` instead.
## Differences with Clojure ## Differences with Clojure
Babashka is implemented using the [Small Clojure Babashka is implemented using the [Small Clojure