Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/sekisyo.rb

Overview

Define Hash#except and Hash#slice since they do not exist less than Ruby 3.0.

Instance Method Summary collapse

Instance Method Details

#except(*keys) ⇒ Object 



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# File 'lib/sekisyo.rb', line 17

def except(*keys)
  hash = dup
  keys.each(&method(:delete))
  hash
end

#slice(*keys) ⇒ Object 



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# File 'lib/sekisyo.rb', line 23

def slice(*keys)
  hash = self.class.new
  keys.each { |k| hash[k] = self[k] if has_key?(k) }
  hash
end