houdini/lib/hash.rb
2020-06-15 10:26:57 -05:00

15 lines
412 B
Ruby

# frozen_string_literal: true
# License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
# Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE
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