exercism · ErikSchierboom · Jun 29, 2025 · Jun 29, 2025
diff --git a/.gitignore b/.gitignore
@@ -3,4 +3,6 @@
 bin/configlet
 bin/configlet.exe
 *.c
+*.actual
+*.expected
 test
diff --git a/config.json b/config.json
@@ -30,6 +30,14 @@
   },
   "exercises": {
     "practice": [
+      {
+        "slug": "hello-world",
+        "name": "Hello World",
+        "uuid": "3e7dfbab-7236-4caa-bda1-993043de4cf0",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 1
+      },
       {
         "slug": "leap",
         "name": "Leap",

diff --git a/exercises/practice/hello-world/.docs/instructions.md b/exercises/practice/hello-world/.docs/instructions.md
@@ -0,0 +1,16 @@
+# Instructions
+
+The classical introductory exercise.
+Just say "Hello, World!".
+
+["Hello, World!"][hello-world] is the traditional first program for beginning programming in a new language or environment.
+
+The objectives are simple:
+
+- Modify the provided code so that it produces the string "Hello, World!".
+- Run the test suite and make sure that it succeeds.
+- Submit your solution and check it at the website.
+
+If everything goes well, you will be ready to fetch your first real exercise.
+
+[hello-world]: https://en.wikipedia.org/wiki/%22Hello,_world!%22_program
diff --git a/exercises/practice/hello-world/.meta/config.json b/exercises/practice/hello-world/.meta/config.json
@@ -0,0 +1,19 @@
+{
+  "authors": [
+    "erikschierboom"
+  ],
+  "files": {
+    "solution": [
+      "hello_world.fut"
+    ],
+    "test": [
+      "test.fut"
+    ],
+    "example": [
+      ".meta/example.fut"
+    ]
+  },
+  "blurb": "Exercism's classic introductory exercise. Just say \"Hello, World!\".",
+  "source": "This is an exercise to introduce users to using Exercism",
+  "source_url": "https://en.wikipedia.org/wiki/%22Hello,_world!%22_program"
+}
diff --git a/exercises/practice/hello-world/.meta/example.fut b/exercises/practice/hello-world/.meta/example.fut
@@ -0,0 +1 @@
+let hello = "Hello, World!"
diff --git a/exercises/practice/hello-world/.meta/tests.toml b/exercises/practice/hello-world/.meta/tests.toml
@@ -0,0 +1,13 @@
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
+
+    [af9ffe10-dc13-42d8-a742-e7bdafac449d]
+description = "Say Hi!"
diff --git a/exercises/practice/hello-world/hello_world.fut b/exercises/practice/hello-world/hello_world.fut
@@ -0,0 +1 @@
+let hello = "Goodbye, Mars!"
diff --git a/exercises/practice/hello-world/test.fut b/exercises/practice/hello-world/test.fut
@@ -0,0 +1,9 @@
+import "hello_world"
+
+-- Say Hi!
+-- ==
+-- input { 42 }
+-- output { "Hello, World!" }
+
+let main (_n: i32): []u8 =
+  copy hello