Ruby - Advanced Metaprogramming
How do you correctly define a method named
welcome using define_method that returns the string "Welcome!"?How do you correctly define a method named welcome using define_method that returns the string "Welcome!"?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Syntax of define_method
The method name must be a symbol passed as the first argument.Step 2: Block returning a string
The block should return the string "Welcome!" without explicit return needed.Final Answer:
define_method(:welcome) { "Welcome!" } -> Option CQuick Check:
Correct symbol and block syntax [OK]
Quick Trick: Use symbol and block for define_method [OK]
Common Mistakes:
- Passing method name without symbol
- Using incorrect block syntax
- Using arrow syntax which is invalid here
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