What are closures in Ruby on Rails?
An example of an AI chatbot conversation about closures in Ruby on Rails.
What are closures in Ruby on Rails?
Closures in Ruby on Rails are blocks of code that can capture the local variables from their surrounding context.
Can you give me an example of how to use closures?
Sure! Here's a simple example:
my_proc = Proc.new { |x| x + @value }
@value = 10
puts my_proc.call(5) # Outputs 15
How do closures differ from regular methods?
Closures can access variables from their surrounding scope, while regular methods cannot.
Are there any performance considerations with using closures?
Yes, closures can lead to increased memory usage if they capture large contexts, so use them judiciously.
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