Ruby 3 · Basics
Use hashes and symbols
Hashes map keys to values. Symbols like :name are cheap, immutable names.
user = { name: "Ada", age: 36 }
puts user[:name]
user[:email] = "[email protected]"
Ruby 3 · Basics
Hashes map keys to values. Symbols like :name are cheap, immutable names.
user = { name: "Ada", age: 36 }
puts user[:name]
user[:email] = "[email protected]"
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