Introduction
1. Tricks
2. Idiomatic Ruby
3. Refactorings
- 3.1. Conditionals when object is nil
- 3.2. Switch case with Hashes
4. Best Practices
- 4.1. rescue => Exception e
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Ruby Tricks, Idiomatic Ruby, Refactorings and Best Practices

Cycle

ring = %w[one two three].cycle

p ring.take(5)

# Result:
# ["one", "two", "three", "one", "two"]