Ruby - Hashes
Identify the error in this Ruby method definition:
```ruby
def user_info(options)
"User: #{options[:name]}, Age: #{options[:age]}"
end
puts user_info()
```
Identify the error in this Ruby method definition: ```ruby def user_info(options) "User: #{options[:name]}, Age: #{options[:age]}" end puts user_info() ```
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check method call without arguments
Calling user_info() without arguments causes error because options parameter is required.Step 2: Fix by adding default empty hash
Defining options = {} allows calling method without arguments safely.Final Answer:
Missing default value for options parameter -> Option BQuick Check:
Default parameter needed for optional hash [OK]
Quick Trick: Add options = {} to allow empty calls [OK]
Common Mistakes:
- Assuming method accepts no arguments by default
- Using wrong syntax for default parameters
- Ignoring runtime error on missing argument
Master "Hashes" in Ruby
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