Ruby - Loops and Iteration
What does the
each method return after iterating over an array in Ruby?What does the each method return after iterating over an array in Ruby?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the behavior of
Theeachmethodeachmethod in Ruby iterates over each element but does not change the original array or create a new one.Step 2: Identify the return value of
After iteration,eacheachreturns the original array it was called on.Final Answer:
The original array itself -> Option AQuick Check:
Return value ofeach= original array [OK]
Quick Trick: Remember: each returns the original collection [OK]
Common Mistakes:
- Thinking it returns a new array
- Assuming it returns the last element
- Confusing with map method
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