Added anagrams (used standard library)

Author: Undalevein

gleam/gleam.toml

@@ -14,6 +14,7 @@ version = "1.0.0"
 
 [dependencies]
 gleam_stdlib = ">= 0.44.0 and < 2.0.0"
+argv = ">= 1.0.2 and < 2.0.0"
 
 [dev-dependencies]
 gleeunit = ">= 1.0.0 and < 2.0.0"

gleam/manifest.toml

@@ -2,10 +2,12 @@
 # You typically do not need to edit this file
 
 packages = [
+  { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
   { name = "gleam_stdlib", version = "0.59.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "F8FEE9B35797301994B81AF75508CF87C328FE1585558B0FFD188DC2B32EAA95" },
   { name = "gleeunit", version = "1.3.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "A7DD6C07B7DA49A6E28796058AA89E651D233B357D5607006D70619CD89DAAAB" },
 ]
 
 [requirements]
+argv = { version = ">= 1.0.2 and < 2.0.0" }
 gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
 gleeunit = { version = ">= 1.0.0 and < 2.0.0" }

gleam/src/anagrams_library.gleam

@@ -0,0 +1,16 @@
+import argv
+import gleam/io
+import gleam/list
+import gleam/string
+
+pub fn main() {
+  case argv.load().arguments {
+    [word] ->
+      word
+      |> string.split("")
+      |> list.permutations
+      |> list.map(fn(letters) { string.join(letters, "") })
+      |> list.each(fn(word) { io.println(word) })
+    _ -> panic as "ERROR: There must be exactly 1 argument."   
+  }
+}

gleam/test.ps1

@@ -8,11 +8,17 @@ function Assert-MatchTests {
     }
 }
 
-# Running the test requires the powershell to be in the Haxe folder.
+# Running the test requires the powershell to be in the Gleam root older.
 $currentLocation = $pwd
 Set-Location "$PSScriptRoot"
 
+# Download dependencies if needed.
+gleam add argv
+
 $Error.clear()
+gleam run -m anagrams_library rats |
+    Compare-Object (Get-Content "$PSScriptRoot\..\test\rats_heap_expected") |
+    Assert-MatchTests &&
 gleam run -m clockhands |
     Compare-Object (Get-Content "$PSScriptRoot\..\test\clockhands_expected") |
     Assert-MatchTests &&