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Chapters 1. Introduction 2. Extended Arithmetics 3. Data Structures 4. Functions 5. Program Structure 6. Advanced Processing 7. Input Data 8. Data Validation 9. Guards Exercises Build a Greeting Product Total Text Transform Rectangle Area Filter and Double Order Total Validate Data Guard Input Use Cases Form Validation Order Processing Subscription Logic

Core Types Literals Type Selectors Operators Tuples Lists Lambdas Expressions Variables Conditionals Range Membership Data Data Selector Input Data Data Paths Data Schemas Data Formats Robustness Assertions Guards Get Started Installation JavaScript API Command Line

Type Selectors Any Date DateTime Duration List Numeric String Tuple (Data)

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Elo Program

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Output