houdini/lib/hash.rb
2019-08-02 19:07:29 +02:00

14 lines
355 B
Ruby

# frozen_string_literal: true
# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
class Hash
def keep_keys(*keys)
keys = keys.map(&:to_s)
clone.delete_if { |k, _v| !keys.include?(k.to_s) }
end
def keep_keys!(*keys)
keys = keys.map(&:to_s)
delete_if { |k, _v| !keys.include?(k.to_s) }
end
end