Les sale algo

.replit

···
+run = "racket main.rkt"
+
+[nix]
+channel = "stable-21_11"

main.rkt

···
+#lang typed/racket
+
+;; looks terrible, i know, but i whanna show more syntax and simple hello, world is too ;; easy
+
+;; Using higher-order occurrence typing
+(define-type SrN (U String Number))
+(: tog ((Listof SrN) -> String))
+(define (tog l)
+  (apply string-append
+         (filter string? l)))
+(tog (list 5 "hello "
+           1/2 "from Racket" (sqrt -1)))

replit.nix

···
+{ pkgs }: {
+    deps = [
+      pkgs.racket
+    ];
+}