compact!() — Hash — Ruby on Rails 5.2.8.1

compact!()

Replaces current hash with non nil values. Returns nil if no changes were made, otherwise returns the hash.

hash = { a: true, b: false, c: nil }
hash.compact!        # => { a: true, b: false }
hash                 # => { a: true, b: false }
{ c: true }.compact! # => nil

Source

# File activesupport/lib/active_support/core_ext/hash/compact.rb, line 25
    def compact!
      reject! { |_, value| value.nil? }
    end

Defined in activesupport/lib/active_support/core_ext/hash/compact.rb line 25 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Hash

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