Web Reference: Dec 6, 2019 · Array#map () : map () is a Array class method which returns a new array containing the values returned by the block. Syntax: Array.map () Parameter: Array Return: a new array containing the values returned by the block. Aug 23, 2012 · map, along with select and each is one of Ruby's workhorses in my code. It allows you to run an operation on each of your array's objects and return them all in the same place. Aug 25, 2025 · What is the Ruby Map Method? The map method is a built-in Ruby method available on objects that include the Enumerable module, such as arrays, hashes, and ranges. It is used to iterate over a collection and create a new array by applying a transformation (defined in a block) to each element.
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