Ruby on Rails Tutorial #21 🚀 Mastering Symbols in Ruby for Efficient Code ⚡️
0🔥 Unlock the power of Symbols in Ruby to supercharge your code! In this Ruby on Rails tutorial, we’ll explore how Symbols can optimize memory usage and improve performance. 💻 Learn the key differences between Symbols and Strings, when to use each, and best coding practices to write cleaner, faster code. Whether you’re a beginner or a seasoned pro, this tutorial will help you level up your Ruby skills! 🚀 #RubyOnRails #CodingTips
Symbols in Ruby are lightweight, immutable identifiers often used as keys in hashes, method names, or for any purpose where you need a unique and unchanging identifier. They are similar to strings but are more efficient in terms of memory and performance due to their immutability and uniqueness.
What Are Symbols?
Definition: A symbol is a constant with a name and an associated value. Symbols are unique and immutable. Once created, a symbol will always have the same object ID.
Syntax: Symbols are defined using a colon (:) followed by the name.
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