What is scoping in Ruby?
An example of an AI chatbot conversation about scoping in Ruby programming.
What is scoping in Ruby?
Scoping in Ruby refers to the visibility and lifetime of variables within different contexts, like methods and classes.
Can you explain the difference between local and instance variables?
Sure! Local variables are defined within a method and are not accessible outside of it, while instance variables are prefixed with '@' and belong to an instance of a class.
What happens if I try to access a local variable outside its scope?
If you try to access a local variable outside its scope, Ruby will raise a NameError, indicating that the variable is undefined.
How do class variables work in Ruby?
Class variables, prefixed with '@@', are shared among all instances of a class and can be accessed by class methods.
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