Syntax
sum = [1, 2, 3].reduce(0) { |total, n| total + n }Examples
Ruby reduce example
A focused example you can adapt while practising.
sum = [1, 2, 3].reduce(0) { |total, n| total + n }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.
Runtime & versions
Ruby interpreter. Feature availability depends on the language and runtime version used by your project; consult the official reference below.
Ruby documentation