Added the permutations

Author: Undalevein

gleam/src/permutations.gleam

@@ -0,0 +1,15 @@
+import argv
+import gleam/io
+import gleam/list
+import gleam/string
+
+pub fn main() {
+  case argv.load().arguments {
+    [_, ..] ->
+      argv.load().arguments
+      |> list.permutations
+      |> list.map(fn(words) { string.join(words, "\t") })
+      |> list.each(io.println)
+    _ -> panic as "ERROR: There must be at least 1 argument."   
+  }
+}

gleam/test.ps1

@@ -25,6 +25,9 @@ gleam run -m clockhands |
 gleam run -m factorial &&
 gleam run -m generics &&
 gleam run -m hello &&
+gleam run -m permutations I like carrots |
+    Compare-Object (Get-Content "$PSScriptRoot\..\test\carrots_expected") |
+    Assert-MatchTests &&
 gleam run -m pipelines &&
 gleam run -m sum_of_even_squares &&
 gleam run -m triple_pipelines |