💎 Ruby Hacks You’ve Never Ever Used (But Should!) 🚀

Lakhveer Singh Rajput

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5 days ago

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Ruby is already a beautiful language — simple, elegant, and developer-friendly. But beneath its simplicity, there are hidden hacks and tricks that even seasoned developers rarely touch. 🤫

In this blog, we’ll uncover Ruby hacks you’ve probably never used before — with clear use cases, code examples, and pro tips. Let’s make your Ruby coding smarter and cooler! 😎✨

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1️⃣ tap – Debug & Chain Like a Pro 🔍

The tap method lets you "tap into" an object, run operations, and still return the object itself.

Example: Debugging in the middle of a chain

user = { name: "Raj", age: 27 }
  .tap { |u| puts "Before update: #{u}" }
  .merge(age: 28)
  .tap { |u| puts "After update: #{u}" }

👉 Output:

Before update: {:name=>"Raj", :age=>27}
After update: {:name=>"Raj", :age=>28}

💡 Tip: Use tap to peek into objects while chaining methods without breaking the flow. Perfect for debugging or logging!

2️⃣ then – Functional Style ✨

Introduced in Ruby 2.6, then works like tap but returns the block result instead of the object.

Example: Chained transformations