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Question-1. What is Nemerle?
Answer-1: Nemerle is a statically-typed functional and object-oriented programming language that runs on the .NET Framework.
Question-2. Who developed Nemerle?
Answer-2: It was developed by the Nemerle team at Wroc?aw University of Technology.
Question-3. What type of language is Nemerle?
Answer-3: It is a hybrid language that supports functional, imperative, and object-oriented programming paradigms.
Question-4. What platform does Nemerle run on?
Answer-4: It runs on the .NET runtime (CLR - Common Language Runtime).
Question-5. What is the file extension for Nemerle source files?
Answer-5: .n (e.g., program.n).
Question-6. How do you print "Hello, World!" in Nemerle?
Answer-6: println("Hello, World!");
Question-7. Is Nemerle statically or dynamically typed?
Answer-7: Nemerle is statically typed but has type inference.
Question-8. How do you declare a variable in Nemerle?
Answer-8: mutable x = 10;
Question-9. How do you define an immutable variable in Nemerle?
Answer-9: x = 5;
Question-10. What is the main advantage of Nemerle over C#?
Answer-10: It has powerful metaprogramming and macro capabilities.
Question-11. How do you write a function in Nemerle?
Answer-11: def add(x, y) { x + y };
Question-12. What are macros in Nemerle?
Answer-12: Macros allow compile-time code transformations, enabling meta-programming.
Question-13. How do you create a loop in Nemerle?
Answer-13: Using for, while, or foreach: for (i in 0..10) { println(i); }
Question-14. Does Nemerle support object-oriented programming?
Answer-14: Yes, it supports classes, inheritance, and polymorphism.
Question-15. How do you define a class in Nemerle?
Answer-15: class Person { public name : string; public this(n) { name = n; } }
Question-16. How do you create an instance of a class in Nemerle?
Answer-16: def p = Person("John");
Question-17. How does Nemerle handle type inference?
Answer-17: The compiler automatically infers types, so explicit type declarations are often unnecessary.
Question-18. What is pattern matching in Nemerle?
Answer-18: A way to deconstruct and analyze data structures using match. Example: ```match x {
Question-19. Can Nemerle interoperate with C# and .NET libraries?
Answer-19: Yes, Nemerle can call and use C# libraries seamlessly.
Question-20. What is option type in Nemerle?
Answer-20: It represents a value that may or may not exist (like null handling).
Question-21. What are tuples in Nemerle?
Answer-21: A lightweight way to group values. Example: def t = (1, "hello", true);
Question-22. What are the basic data types in Nemerle?
Answer-22: int, float, string, bool, list, array, and option.
Question-23. How do you define an array in Nemerle?
Answer-23: def arr = array [1, 2, 3, 4];
Question-24. How do you create a list in Nemerle?
Answer-24: def lst = list [1, 2, 3];
Question-25. How do you append to a list in Nemerle?
Answer-25: def new_lst = lst @ list [4, 5];
Question-26. What is the using statement in Nemerle?
Answer-26: It imports namespaces like in C#. Example: using System;
Question-27. How does Nemerle handle exceptions?
Answer-27: Using try-catch. Example: try { ... } catch (e) { println(e.Message); }
Question-28. What is a lambda function in Nemerle?
Answer-28: An anonymous function: def add = fun (x, y) { x + y };
Question-29. What is the purpose of mutable in Nemerle?
Answer-29: It allows modifying variable values, unlike default immutable variables.
Question-30. How do you perform string interpolation in Nemerle?
Answer-30: def name = "John"; println($"Hello, $name!");
Question-31. What is tail recursion in Nemerle?
Answer-31: A function is tail-recursive if the last operation is a recursive call, optimizing stack usage.
Question-32. Does Nemerle support generics?
Answer-32: Yes, it has generic types and functions.
Question-33. What is the equivalent of an interface in Nemerle?
Answer-33: Nemerle uses traits (like interfaces in C#).
Question-34. How do you declare a generic function in Nemerle?
Answer-34: def swap[T](a : T, b : T) { (b, a) };
Question-35. How do you work with dictionaries in Nemerle?
Answer-35: def dict = Hashtable(); dict["key"] = "value";
Question-36. What is the _ symbol in pattern matching?
Answer-36: It acts as a wildcard for any value. Example: ```match x {
Question-37. How do you handle asynchronous programming in Nemerle?
Answer-37: Using async workflows, similar to async/await in C#.
Question-38. What are metaprogramming features in Nemerle?
Answer-38: Macros, code transformation, and compile-time execution.
Question-39. How do you use attributes in Nemerle?
Answer-39: Like in C#, using square brackets: [Serializable] class MyClass { }
Question-40. How do you declare a read-only property in Nemerle?
Answer-40: property Name : string { get; }
Question-41. Can Nemerle be used for web development?
Answer-41: Yes, by using ASP.NET or integrating with C# libraries.
Question-42. How do you perform file I/O in Nemerle?
Answer-42: Using .NET's System.IO: def file = File.ReadAllText("file.txt");
Question-43. What is the use of yield in Nemerle?
Answer-43: It is used for lazy evaluation in iterators.
Question-44. How do you declare an enumeration in Nemerle?
Answer-44: enum Colors { Red, Green, Blue };
Question-45. How do you define a module in Nemerle?
Answer-45: Using the module keyword. Example: module Math { def add(x, y) { x + y }; }
Question-46. Can Nemerle be used in game development?
Answer-46: Yes, since it runs on .NET, it can be used with Unity and MonoGame.
Question-47. What is type inference in Nemerle?
Answer-47: The compiler automatically detects the type without explicit declaration.
Question-48. How do you perform multi-threading in Nemerle?
Answer-48: Using .NET threading classes like Thread and Task.
Question-49. What is the equivalent of LINQ in Nemerle?
Answer-49: Nemerle supports query expressions similar to LINQ.
Question-50. Is Nemerle still actively developed?
Answer-50: Development has slowed, but it remains usable with .NET frameworks.
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