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Question-1. What is MoonScript?
Answer-1: MoonScript is a lightweight programming language that compiles into Lua, offering a more concise and expressive syntax.
Question-2. Who created MoonScript?
Answer-2: MoonScript was created by Leigh Caldwell.
Question-3. What is the main advantage of MoonScript over Lua?
Answer-3: MoonScript provides a cleaner syntax, automatic function calls, and better readability while still compiling to Lua.
Question-4. How do you install MoonScript?
Answer-4: Using luarocks install moonscript.
Question-5. How do you run a MoonScript file?
Answer-5: Using the moon command: moon myfile.moon.
Question-6. How do you compile MoonScript to Lua?
Answer-6: Using moonc myfile.moon, which generates a Lua file.
Question-7. How do you declare a variable in MoonScript?
Answer-7: name = "MoonScript", variables are assigned without local.
Question-8. How do you define a function in MoonScript?
Answer-8: square = (x) -> x * x.
Question-9. What is an implicit return in MoonScript?
Answer-9: Functions return the last expression automatically, without needing return.
Question-10. How do you write an if-else statement in MoonScript?
Answer-10: if x > 10 then print "Large" else print "Small".
Question-11. How do you create a loop in MoonScript?
Answer-11: Using for or while, e.g., for i=1,5 print i.
Question-12. How do you define a table in MoonScript?
Answer-12: tbl = { name: "John", age: 30 }.
Question-13. How do you access table elements in MoonScript?
Answer-13: Using dot or bracket notation, e.g., tbl.name or tbl["name"].
Question-14. What is table destructuring in MoonScript?
Answer-14: name, age = tbl, assigns values from a table to variables.
Question-15. How do you create a class in MoonScript?
Answer-15: class Person, followed by methods inside it.
Question-16. How do you instantiate a class in MoonScript?
Answer-16: p = Person!.
Question-17. How do you define a method inside a class?
Answer-17: class Person; new: (@name) ->.
Question-18. What is the @ symbol in MoonScript?
Answer-18: It represents self, used for accessing instance variables.
Question-19. How do you inherit from another class in MoonScript?
Answer-19: class Student extends Person.
Question-20. What is the difference between : and . in MoonScript?
Answer-20: : calls a method with self, while . calls without self.
Question-21. How do you concatenate strings in MoonScript?
Answer-21: Using .., e.g., "Hello" .. " World".
Question-22. What are the logical operators in MoonScript?
Answer-22: and, or, and not, just like in Lua.
Question-23. How do you handle nil values in MoonScript?
Answer-23: Using or, e.g., x = value or "default".
Question-24. How do you create an anonymous function?
Answer-24: fn = (x, y) -> x + y.
Question-25. How do you call a function without parentheses?
Answer-25: print "Hello", parentheses are optional for single arguments.
Question-26. What is string interpolation in MoonScript?
Answer-26: Using \{}, e.g., "Hello \{name}".
Question-27. How do you use multi-line strings?
Answer-27: Using [[ and ]], e.g., text = [[This is a multi-line string]].
Question-28. How do you define default function arguments?
Answer-28: greet = (name="Guest") -> print "Hello " .. name.
Question-29. How do you use variadic arguments (...) in MoonScript?
Answer-29: sum = (...) -> table.concat {..., ", "}.
Question-30. How do you import Lua modules in MoonScript?
Answer-30: import mymodule from require "mymodule".
Question-31. How do you work with metatables in MoonScript?
Answer-31: Using setmetatable and __index.
Question-32. What is the purpose of __index in metatables?
Answer-32: It allows fallback lookups for missing keys in a table.
Question-33. How do you check the type of a variable?
Answer-33: Using type(), e.g., print type(name).
Question-34. How do you create a coroutine in MoonScript?
Answer-34: co = coroutine.create (-> print "Hello").
Question-35. How do you resume a coroutine?
Answer-35: coroutine.resume(co).
Question-36. How do you handle errors in MoonScript?
Answer-36: Using pcall or xpcall.
Question-37. How do you define a module in MoonScript?
Answer-37: export greet = (name) -> print "Hello, " .. name.
Question-38. How do you require a module in MoonScript?
Answer-38: import greet from require "greetings".
Question-39. What is the difference between import and require?
Answer-39: import extracts specific values, while require loads a full module.
Question-40. How do you define an alias for an imported function?
Answer-40: import sayHello from require "greetings".
Question-41. How do you perform file I/O in MoonScript?
Answer-41: Using Lua?s io library, e.g., file = io.open("test.txt", "r").
Question-42. How do you convert a number to a string?
Answer-42: Using tostring(num).
Question-43. How do you convert a string to a number?
Answer-43: Using tonumber(str).
Question-44. How do you get the length of a table?
Answer-44: Using #, e.g., #myTable.
Question-45. How do you shuffle a table in MoonScript?
Answer-45: Using math.random and a sorting function.
Question-46. What are the common use cases for MoonScript?
Answer-46: Game development, scripting in Love2D, and web applications.
Question-47. How does MoonScript interact with Love2D?
Answer-47: It compiles to Lua, making it compatible with Love2D?s API.
Question-48. How do you handle JSON in MoonScript?
Answer-48: Using a JSON library, e.g., json.encode(tbl).
Question-49. What is the performance impact of using MoonScript?
Answer-49: It has a small overhead due to compilation but runs as fast as Lua.
Question-50. Why use MoonScript over Lua?
Answer-50: MoonScript offers a cleaner syntax, less boilerplate, and better readability while maintaining full compatibility with Lua.
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