aethershell 12.0.2

# Comprehensive Feature Test
# This demonstrates all implemented features of AetherShell

print("╔════════════════════════════════════════════╗")
print("║  AetherShell Comprehensive Feature Test   ║")
print("╚════════════════════════════════════════════╝")
print("")

# ═══ Basic Types ═══
print("🔢 Basic Types:")
x = 42
y = 3.14
name = "AetherShell"
flag = true
print("  Int: " + type_of(x))
print("  Float: " + type_of(y))
print("  String: " + type_of(name))
print("  Bool: " + type_of(flag))
print("")

# ═══ Collections ═══
print("📦 Collections:")
numbers = [1, 2, 3, 4, 5]
person = {name: "Alice", age: 30, city: "NYC"}
print("  Array length: " + len(numbers))
print("  Record keys: " + len(keys(person)))
print("  Keys are: ")
print(keys(person))
print("")

# ═══ Pipelines ═══
print("🔄 Pipeline Operations:")
doubled = numbers | map(fn(x) => x * 2)
print("  Doubled: ")
print(doubled)

filtered = numbers | where(fn(x) => x > 2)
print("  Filtered (>2): ")
print(filtered)

sum = numbers | reduce(fn(a,b) => a + b, 0)
print("  Sum: " + sum)

first_three = numbers | take(3)
print("  First 3: ")
print(first_three)
print("")

# ═══ Higher-Order Functions ═══
print("🎯 Higher-Order Functions:")
double = fn(x) => x * 2
triple = fn(x) => x * 3
apply = fn(f, val) => f(val)
result1 = apply(double, 5)
result2 = apply(triple, 5)
print("  double(5) = " + result1)
print("  triple(5) = " + result2)
print("")

# ═══ Pattern Matching ═══
print("🎲 Pattern Matching:")
value = Some(42)
match_result = match value {
  None() => "no value",
  Some(x) => "value is " + x
}
print("  Match result: " + match_result)
print("")

# ═══ Mutable Variables ═══
print("🔧 Mutable Variables:")
mut counter = 0
counter = counter + 1
counter = counter + 1
print("  Counter after 2 increments: " + counter)
print("")

# ═══ Record Operations ═══
print("📋 Record Operations:")
profile = {
  name: "Bob",
  email: "bob@example.com",
  age: 25,
  active: true
}
print("  User record has " + len(profile) + " fields")
print("  Field names:")
print(keys(profile))
print("  Type: " + type_of(profile))
print("")

# ═══ File I/O ═══
print("📁 File I/O:")
readme = read_text("README.md")
readme_type = type_of(readme)
readme_length = len(readme)
print("  README.md loaded")
print("  Type: " + readme_type)
print("  Length: " + readme_length + " characters")
print("")

# ═══ String Operations ═══
print("✏️  String Operations:")
greeting = "Hello, " + "World!"
print("  Concatenation: " + greeting)
print("  Length: " + len(greeting))
print("")

# ═══ Array Transformations ═══
print("🔀 Complex Pipeline:")
result = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
  | map(fn(x) => x * x)
  | where(fn(x) => x > 20)
  | take(3)
print("  Squares > 20, first 3:")
print(result)
print("")

# ═══ Type Checking ═══
print("🔍 Type Introspection:")
samples = [
  42,
  "text",
  [1,2,3],
  {key: "value"},
  true,
  3.14
]
print("  Types of sample values:")
sample_types = samples | map(fn(x) => type_of(x))
print(sample_types)
print("")

# ═══ Final Summary ═══
print("╔════════════════════════════════════════════╗")
print("║         ✅ All Features Working! ✅        ║")
print("╚════════════════════════════════════════════╝")
print("")
print("Features tested:")
print("  ✓ Basic types (Int, Float, String, Bool)")
print("  ✓ Collections (Array, Record)")
print("  ✓ Pipeline operations (map, where, reduce, take)")
print("  ✓ Higher-order functions")
print("  ✓ Pattern matching")
print("  ✓ Mutable variables")
print("  ✓ Record operations (keys, len)")
print("  ✓ File I/O (read_text)")
print("  ✓ Type introspection (type_of)")
print("  ✓ Complex data transformations")
print("")
print("🚀 AetherShell is ready for use!")