Ruby - Advanced Metaprogramming
Which Ruby method is commonly used to execute a block inside the context of a DSL object?
Which Ruby method is commonly used to execute a block inside the context of a DSL object?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Ruby block execution methods
Ruby provides methods like instance_eval and class_eval to run blocks in specific contexts.Step 2: Identify the method for DSL context
instance_eval runs the block inside the instance's context, which is typical for DSLs.Final Answer:
instance_eval -> Option DQuick Check:
Block runs in object context = instance_eval [OK]
Quick Trick: Use instance_eval to run blocks inside DSL objects [OK]
Common Mistakes:
- Confusing class_eval with instance_eval
- Using non-existent methods like eval_block
- Assuming block_exec is a Ruby method
Master "Advanced Metaprogramming" in Ruby
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Ruby Quizzes