Hello, World!

To write program that display string "Hello, world!" is traditional learning way first time touch new language. Let's write the program in the Stack!

enter command stack on the your shell to start up the REPL of Stack. If REPL is started, enter below code on the REPL and push enter-key twice.

(Hello, world!) print

If the code isn't wrong, Maybe it's output log like below.

Stack〔  〕 ←  (Hello, world!)
Stack〔 (Hello, world!) 〕 ←  print
[Output]: Hello, world!
Stack〔  〕

Great! you really become Stacker.

Stacker is means programmer who use Stack