style: auto-format example files with lux fmt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

examples/standard/factorial.lux

@@ -1,14 +1,6 @@
-// Factorial - compute n!
+fn factorial(n: Int): Int = if n <= 1 then 1 else n * factorial(n - 1)
 
-// Recursive version
-fn factorial(n: Int): Int =
-    if n <= 1 then 1
-    else n * factorial(n - 1)
-
-// Tail-recursive version (optimized)
-fn factorialTail(n: Int, acc: Int): Int =
-    if n <= 1 then acc
-    else factorialTail(n - 1, n * acc)
+fn factorialTail(n: Int, acc: Int): Int = if n <= 1 then acc else factorialTail(n - 1, n * acc)
 
 fn factorial2(n: Int): Int = factorialTail(n, 1)
 

examples/standard/fizzbuzz.lux

@@ -1,22 +1,11 @@
-// FizzBuzz - print numbers 1-100, but:
-// - multiples of 3: print "Fizz"
-// - multiples of 5: print "Buzz"
-// - multiples of both: print "FizzBuzz"
-
-fn fizzbuzz(n: Int): String =
-    if n % 15 == 0 then "FizzBuzz"
-    else if n % 3 == 0 then "Fizz"
-    else if n % 5 == 0 then "Buzz"
-    else toString(n)
+fn fizzbuzz(n: Int): String = if n % 15 == 0 then "FizzBuzz" else if n % 3 == 0 then "Fizz" else if n % 5 == 0 then "Buzz" else toString(n)
 
 fn printFizzbuzz(i: Int, max: Int): Unit with {Console} =
-    if i > max then ()
-    else {
-        Console.print(fizzbuzz(i))
-        printFizzbuzz(i + 1, max)
-    }
+    if i > max then () else {
+    Console.print(fizzbuzz(i))
+    printFizzbuzz(i + 1, max)
+}
 
-fn main(): Unit with {Console} =
-    printFizzbuzz(1, 100)
+fn main(): Unit with {Console} = printFizzbuzz(1, 100)
 
 let output = run main() with {}

examples/standard/guessing_game.lux

@@ -1,42 +1,17 @@
-// Number guessing game - demonstrates Random and Console effects
-//
-// Expected output:
-// Welcome to the Guessing Game!
-// Target number: 42
-// Simulating guesses...
-// Guess 50: Too high!
-// Guess 25: Too low!
-// Guess 37: Too low!
-// Guess 43: Too high!
-// Guess 40: Too low!
-// Guess 41: Too low!
-// Guess 42: Correct!
-// Found in 7 attempts!
+fn checkGuess(guess: Int, secret: Int): String = if guess == secret then "Correct" else if guess < secret then "Too low" else "Too high"
 
-// Game logic - check a guess against the secret
-fn checkGuess(guess: Int, secret: Int): String =
-    if guess == secret then "Correct"
-    else if guess < secret then "Too low"
-    else "Too high"
-
-// Binary search simulation to find the number
 fn binarySearch(low: Int, high: Int, secret: Int, attempts: Int): Int with {Console} = {
-    let mid = (low + high) / 2
+    let mid = low + high / 2
     let result = checkGuess(mid, secret)
     Console.print("Guess " + toString(mid) + ": " + result + "!")
-
-    if result == "Correct" then attempts
-    else if result == "Too low" then binarySearch(mid + 1, high, secret, attempts + 1)
-    else binarySearch(low, mid - 1, secret, attempts + 1)
+    if result == "Correct" then attempts else if result == "Too low" then binarySearch(mid + 1, high, secret, attempts + 1) else binarySearch(low, mid - 1, secret, attempts + 1)
 }
 
 fn main(): Unit with {Console} = {
     Console.print("Welcome to the Guessing Game!")
-    // Use a fixed "secret" for reproducible output
     let secret = 42
     Console.print("Target number: " + toString(secret))
     Console.print("Simulating guesses...")
-
     let attempts = binarySearch(1, 100, secret, 1)
     Console.print("Found in " + toString(attempts) + " attempts!")
 }

examples/standard/hello_world.lux

@@ -1,7 +1,3 @@
-// The classic first program
-// Expected output: Hello, World!
-
-fn main(): Unit with {Console} =
-    Console.print("Hello, World!")
+fn main(): Unit with {Console} = Console.print("Hello, World!")
 
 let output = run main() with {}

examples/standard/primes.lux

@@ -1,25 +1,14 @@
-// Prime number utilities
+fn isPrime(n: Int): Bool = if n < 2 then false else isPrimeHelper(n, 2)
 
-fn isPrime(n: Int): Bool =
-    if n < 2 then false
-    else isPrimeHelper(n, 2)
+fn isPrimeHelper(n: Int, i: Int): Bool = if i * i > n then true else if n % i == 0 then false else isPrimeHelper(n, i + 1)
 
-fn isPrimeHelper(n: Int, i: Int): Bool =
-    if i * i > n then true
-    else if n % i == 0 then false
-    else isPrimeHelper(n, i + 1)
-
-// Find first n primes
-fn findPrimes(count: Int): Unit with {Console} =
-    findPrimesHelper(2, count)
+fn findPrimes(count: Int): Unit with {Console} = findPrimesHelper(2, count)
 
 fn findPrimesHelper(current: Int, remaining: Int): Unit with {Console} =
-    if remaining <= 0 then ()
-    else if isPrime(current) then {
-        Console.print(toString(current))
-        findPrimesHelper(current + 1, remaining - 1)
-    }
-    else findPrimesHelper(current + 1, remaining)
+    if remaining <= 0 then () else if isPrime(current) then {
+    Console.print(toString(current))
+    findPrimesHelper(current + 1, remaining - 1)
+} else findPrimesHelper(current + 1, remaining)
 
 fn main(): Unit with {Console} = {
     Console.print("First 20 prime numbers:")

examples/standard/stdlib_demo.lux

@@ -1,6 +1,3 @@
-// Standard Library Demo
-// Demonstrates the built-in modules: List, String, Option, Math
-
 fn main(): Unit with {Console} = {
     Console.print("=== List Operations ===")
     let nums = [1, 2, 3, 4, 5]
@@ -11,7 +8,6 @@ fn main(): Unit with {Console} = {
     Console.print("Length: " + toString(List.length(nums)))
     Console.print("Reversed: " + toString(List.reverse(nums)))
     Console.print("Range 1-5: " + toString(List.range(1, 6)))
-
     Console.print("")
     Console.print("=== String Operations ===")
     let text = "  Hello, World!  "
@@ -22,7 +18,6 @@ fn main(): Unit with {Console} = {
     Console.print("Contains 'World': " + toString(String.contains(text, "World")))
     Console.print("Split by comma: " + toString(String.split("a,b,c", ",")))
     Console.print("Join with dash: " + String.join(["x", "y", "z"], "-"))
-
     Console.print("")
     Console.print("=== Option Operations ===")
     let some_val = Some(42)
@@ -31,7 +26,6 @@ fn main(): Unit with {Console} = {
     Console.print("None mapped: " + toString(Option.map(none_val, fn(x: Int): Int => x * 2)))
     Console.print("Some(42) getOrElse(0): " + toString(Option.getOrElse(some_val, 0)))
     Console.print("None getOrElse(0): " + toString(Option.getOrElse(none_val, 0)))
-
     Console.print("")
     Console.print("=== Math Operations ===")
     Console.print("abs(-5): " + toString(Math.abs(-5)))