method
empty?
v6.0.0 -
Show latest stable
- Class:
ActionController::Parameters
empty?public
Returns true if the parameters have no key/value pairs.
- ==
- []
- []=
- as_json
- converted_arrays
- deep_dup
- delete
- delete_if
- dig
- each
- each_key
- each_pair
- each_value
- empty?
- except
- extract!
- fetch
- has_key?
- has_value?
- include?
- init_with
- inspect
- keep_if
- key?
- keys
- merge
- merge!
- permit
- permit!
- permitted?
- reject
- reject!
- require
- required
- reverse_merge
- reverse_merge!
- select
- select!
- slice
- slice!
- stringify_keys
- to_h
- to_hash
- to_param
- to_query
- to_s
- to_unsafe_h
- to_unsafe_hash
- transform_keys
- transform_keys!
- transform_values
- transform_values!
- value?
- values
- values_at
- with_defaults
- with_defaults!
- hook_into_yaml_loading
- new
-
fields_for_style? -
array_of_permitted_scalars? - convert_hashes_to_parameters
- convert_parameters_to_hashes
- convert_value_to_parameters
- each_element
- hash_filter
- initialize_copy
- new_instance_with_inherited_permitted_status
- non_scalar?
- permit_any_in_array
- permit_any_in_parameters
- permitted_scalar?
- permitted_scalar_filter
- unpermitted_keys
- unpermitted_parameters!