Ruby - Metaprogramming Fundamentals
You want to call a private method
secret on object obj. Which is the correct way to do this using send?You want to call a private method secret on object obj. Which is the correct way to do this using send?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand private method access
Private methods cannot be called normally from outside the class.Step 2: Using send to bypass visibility
sendcan call private methods, unlikepublic_sendwhich respects visibility.Final Answer:
obj.send(:secret) -> Option DQuick Check:
send can call private methods, public_send cannot [OK]
Quick Trick: Use send to call private methods, public_send respects visibility [OK]
Common Mistakes:
- Using public_send to call private methods
- Trying to call private method directly
- Using undefined method call instead of send
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