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Ruby splat arguments

Ruby reference for ruby splat arguments.

Syntax

def total(*numbers)
  numbers.sum
end

Examples

Ruby splat arguments example

A focused example you can adapt while practising.

def total(*numbers)
  numbers.sum
end

Best practices

  • Start with the smallest working example, then adapt it to your project.
  • Use the language’s standard library and idioms before introducing extra dependencies.

At a glance

Purpose
Expressive scripting and applications
File extension
.rb
Runs in
Ruby interpreter
Usually used with
Ruby standard library and gems

Specifications & further reading

Related Ruby documentation

Ruby Methods, Blocks & Enumerable
Methods are declared with def and return their final expression unless return is used explicitly. Many collection methods accept blocks, which makes transformations and filtering concise.Ruby each
Ruby reference for ruby each.Ruby times
Ruby reference for ruby times.Ruby map
Ruby reference for ruby map.