Ruby - String Operations
What will be the output of this Ruby code?
text = <<~GREETING
Hello,
Welcome to Ruby!
GREETING
puts textWhat will be the output of this Ruby code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand <<~ operator
The <<~ syntax removes leading spaces common to all lines, aligning text left.Step 2: Analyze the given text
Original lines have 2 spaces before 'Hello,' and 4 before 'Welcome'. The common indent is 2 spaces, so those are removed.Step 3: Resulting output
After removing 2 spaces, 'Hello,' starts at column 0, 'Welcome...' starts with 2 spaces.Final Answer:
Hello, Welcome to Ruby! -> Option AQuick Check:
<<~ removes common indent [OK]
Quick Trick: <<~ removes common leading spaces from all lines [OK]
Common Mistakes:
- Ignoring <<~ and expecting original indentation
- Confusing \n with actual new lines
- Assuming all spaces are removed
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