# Multi-line rawk function definitions
$calculate_area = (width, height) -> {
    area = width * height
    return area
};

$format_message = (name, age) -> {
    message = "Name: " name ", Age: " age
    return message
};

$process_array = (arr) -> {
    sum = 0
    for (i in arr) {
        sum += arr[i]
    }
    return sum
};

# Test the multi-line functions
BEGIN {
    print "Testing multi-line functions:"
    
    # Test calculate_area function
    result = calculate_area(5, 3)
    expect_equal(result, 15, "calculate_area(5, 3) should return 15")
    print "✓ calculate_area(5, 3) = " result
    
    # Test format_message function
    result = format_message("Alice", 30)
    expect_equal(result, "Name: Alice, Age: 30", "format_message(\"Alice\", 30) should return 'Name: Alice, Age: 30'")
    print "✓ format_message(\"Alice\", 30) = " result
    
    # Test with array
    test_array[1] = 10
    test_array[2] = 20
    test_array[3] = 30
    result = process_array(test_array)
    expect_equal(result, 60, "process_array([10,20,30]) should return 60")
    print "✓ process_array([10,20,30]) = " result
    
    print "🎉 All multi-line function tests passed!"
}