Understanding the Shorthand Notation in Ruby for Mapping Arrays

Rashid Siddique answered on July 3, 2023 Popularity 1/10 Helpfulness 1/10

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strs = ["foo", "bar", "baz"]
caps = strs.map { |str| str.upcase }
caps = strs.map(&:upcase)

=> ["FOO", "BAR", "BAZ"]

Popularity 1/10 Helpfulness 1/10 Language ruby

Source: erimicel.com

Tags: arrays mapping notation ruby shorthand

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Contributed on Jul 03 2023

Rashid Siddique

0 Answers Avg Quality 2/10

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