Syntax
double = ->(n) { n * 2 }
puts double.call(4)Examples
Ruby lambdas example
A focused example you can adapt while practising.
double = ->(n) { n * 2 }
puts double.call(4)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