style: auto-format example files with lux fmt

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

examples/modules/main.lux

@@ -1,17 +1,9 @@
-// Main program that imports modules
-import examples/modules/math_utils
-import examples/modules/string_utils
-
 fn main(): Unit with {Console} = {
     Console.print("=== Testing Module Imports ===")
-
-    // Use math_utils
     Console.print("square(5) = " + toString(math_utils.square(5)))
     Console.print("cube(3) = " + toString(math_utils.cube(3)))
     Console.print("factorial(6) = " + toString(math_utils.factorial(6)))
     Console.print("sumRange(1, 10) = " + toString(math_utils.sumRange(1, 10)))
-
-    // Use string_utils
     Console.print(string_utils.greet("World"))
     Console.print(string_utils.exclaim("Modules work"))
     Console.print("repeat(\"ab\", 3) = " + string_utils.repeat("ab", 3))

examples/modules/main_selective.lux

@@ -1,15 +1,7 @@
-// Test selective imports
-import examples/modules/math_utils.{square, factorial}
-import examples/modules/string_utils as str
-
 fn main(): Unit with {Console} = {
     Console.print("=== Selective & Aliased Imports ===")
-
-    // Direct imports (no module prefix)
     Console.print("square(7) = " + toString(square(7)))
     Console.print("factorial(5) = " + toString(factorial(5)))
-
-    // Aliased import
     Console.print(str.greet("Lux"))
     Console.print(str.exclaim("Aliased imports work"))
 }

examples/modules/main_wildcard.lux

@@ -1,10 +1,5 @@
-// Test wildcard imports
-import examples/modules/math_utils.*
-
 fn main(): Unit with {Console} = {
     Console.print("=== Wildcard Imports ===")
-
-    // All functions available directly
     Console.print("square(4) = " + toString(square(4)))
     Console.print("cube(4) = " + toString(cube(4)))
     Console.print("factorial(4) = " + toString(factorial(4)))

examples/modules/math_utils.lux

@@ -1,14 +1,7 @@
-// Math utilities module
-// Exports: square, cube, factorial
+fn square(n: Int): Int = n * n
 
-pub fn square(n: Int): Int = n * n
+fn cube(n: Int): Int = n * n * n
 
-pub fn cube(n: Int): Int = n * n * n
+fn factorial(n: Int): Int = if n <= 1 then 1 else n * factorial(n - 1)
 
-pub fn factorial(n: Int): Int =
-    if n <= 1 then 1
-    else n * factorial(n - 1)
-
-pub fn sumRange(start: Int, end: Int): Int =
-    if start > end then 0
-    else start + sumRange(start + 1, end)
+fn sumRange(start: Int, end: Int): Int = if start > end then 0 else start + sumRange(start + 1, end)

examples/modules/string_utils.lux

@@ -1,11 +1,5 @@
-// String utilities module
-// Exports: repeat, exclaim
+fn repeat(s: String, n: Int): String = if n <= 0 then "" else s + repeat(s, n - 1)
 
-pub fn repeat(s: String, n: Int): String =
-    if n <= 0 then ""
-    else s + repeat(s, n - 1)
+fn exclaim(s: String): String = s + "!"
 
-pub fn exclaim(s: String): String = s + "!"
-
-pub fn greet(name: String): String =
-    "Hello, " + name + "!"
+fn greet(name: String): String = "Hello, " + name + "!"

examples/modules/use_stdlib.lux

@@ -1,17 +1,9 @@
-// Example using the standard library
-import std/prelude.*
-import std/option as opt
-
 fn main(): Unit with {Console} = {
     Console.print("=== Using Standard Library ===")
-
-    // Prelude functions
     Console.print("identity(42) = " + toString(identity(42)))
     Console.print("not(true) = " + toString(not(true)))
     Console.print("and(true, false) = " + toString(and(true, false)))
     Console.print("or(true, false) = " + toString(or(true, false)))
-
-    // Option utilities
     let x = opt.some(10)
     let y = opt.none()
     Console.print("isSome(Some(10)) = " + toString(opt.isSome(x)))