What are some real-world examples of metaprogramming?
Metaprogramming allows programs to treat other programs as data. Examples include Ruby's metaprogramming capabilities, where you can define methods dynamically, and Python's decorators that modify functions at definition time.
Can you give me a specific example in Ruby?
Sure! In Ruby, you can use define_method
to create methods dynamically. For instance, you can create a method that generates getter methods for instance variables.
What about in Python?
In Python, you can use decorators to modify the behavior of a function. For example, you can create a decorator that logs the execution time of a function.
Are there any applications in web development?
Yes! In web development, frameworks like Ruby on Rails use metaprogramming to simplify code and enhance productivity by generating boilerplate code automatically.
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