Ruby Primer

By the end of this guide, you will:

• Read and write basic Ruby syntax (variables, methods, classes)

• Explain Ruby object model: everything is an object

• Distinguish between symbols (:key) and strings ("key")

• Use blocks, procs, and lambdas for callbacks

• Create immutable structs with Data.define

• Handle nil safely (Ruby equivalent of null/None)

• Call methods with keyword arguments

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