Method: Hash#delete_values

Defined in:
lib/core/facets/hash/delete_values.rb

#delete_values(*values) ⇒ Object

Minor modification to Ruby’s Hash#delete method allowing it to take multiple keys.

hsh = { :a => 1, :b => 2 }
hsh.delete_values(1)
hsh  #=> { :b => 2 }

Returns a list of keys of the deleted entries.

CREDIT: Daniel Schierbeck

[View source] [View on GitHub]

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# File 'lib/core/facets/hash/delete_values.rb', line 14

def delete_values(*values)
  deleted_keys = []
  keys.each do |key|
    if values.include?(fetch(key))
      deleted_keys << key
      delete(key)
    end
  end
  deleted_keys
end