Brandon Lucas
0b5abece5f
Standard examples (examples/standard/): - hello_world: Basic effect usage - fizzbuzz: Classic programming exercise - factorial: Recursive and tail-recursive versions - primes: Prime number generation - guessing_game: Interactive Random + Console effects - stdlib_demo: Demonstrates List, String, Option, Math modules Showcase examples (examples/showcase/): - ask_pattern: Resumable effects for config/environment - custom_logging: Custom effect with handler - early_return: Fail effect for clean error handling - effect_composition: Combining multiple effects - higher_order: Closures and function composition - pattern_matching: ADTs and exhaustive matching Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
44 lines
2.1 KiB
Plaintext
44 lines
2.1 KiB
Plaintext
// Standard Library Demo
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// Demonstrates the built-in modules: List, String, Option, Math
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fn main(): Unit with {Console} = {
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Console.print("=== List Operations ===")
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let nums = [1, 2, 3, 4, 5]
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Console.print("Original: " + toString(nums))
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Console.print("Mapped (*2): " + toString(List.map(nums, fn(x: Int): Int => x * 2)))
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Console.print("Filtered (even): " + toString(List.filter(nums, fn(x: Int): Bool => x % 2 == 0)))
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Console.print("Sum (fold): " + toString(List.fold(nums, 0, fn(acc: Int, x: Int): Int => acc + x)))
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Console.print("Length: " + toString(List.length(nums)))
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Console.print("Reversed: " + toString(List.reverse(nums)))
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Console.print("Range 1-5: " + toString(List.range(1, 6)))
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Console.print("")
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Console.print("=== String Operations ===")
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let text = " Hello, World! "
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Console.print("Original: \"" + text + "\"")
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Console.print("Trimmed: \"" + String.trim(text) + "\"")
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Console.print("Upper: " + String.toUpper(text))
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Console.print("Lower: " + String.toLower(text))
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Console.print("Contains 'World': " + toString(String.contains(text, "World")))
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Console.print("Split by comma: " + toString(String.split("a,b,c", ",")))
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Console.print("Join with dash: " + String.join(["x", "y", "z"], "-"))
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Console.print("")
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Console.print("=== Option Operations ===")
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let some_val = Some(42)
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let none_val: Option<Int> = None
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Console.print("Some(42) mapped (*2): " + toString(Option.map(some_val, fn(x: Int): Int => x * 2)))
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Console.print("None mapped: " + toString(Option.map(none_val, fn(x: Int): Int => x * 2)))
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Console.print("Some(42) getOrElse(0): " + toString(Option.getOrElse(some_val, 0)))
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Console.print("None getOrElse(0): " + toString(Option.getOrElse(none_val, 0)))
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Console.print("")
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Console.print("=== Math Operations ===")
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Console.print("abs(-5): " + toString(Math.abs(-5)))
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Console.print("min(3, 7): " + toString(Math.min(3, 7)))
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Console.print("max(3, 7): " + toString(Math.max(3, 7)))
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Console.print("pow(2, 10): " + toString(Math.pow(2, 10)))
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}
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let output = run main() with {}
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