method

compact

v7.2.3 - Show latest stable - Class: ActionController::Parameters

compact()

public

Returns a new `ActionController::Parameters` instance with `nil` values removed.

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 847
    def compact
      new_instance_with_inherited_permitted_status(@parameters.compact)
    end

Related methods

Instance methods
==
[]
[]=
as_json
compact
compact!
compact_blank
compact_blank!
converted_arrays
deep_dup
deep_merge
deep_merge!
deep_merge?
deep_transform_keys
deep_transform_keys!
delete
delete_if
dig
each
each_key
each_pair
each_value
empty?
encode_with
eql?
except
exclude?
extract!
extract_value
fetch
has_key?
has_value?
hash
include?
init_with
inspect
keep_if
key?
keys
member?
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!
without
Class methods
allow_deprecated_parameters_hash_equality
allow_deprecated_parameters_hash_equality=
hook_into_yaml_loading
nested_attribute?
new
Protected methods
each_nested_attribute
nested_attributes?
Private methods
_deep_transform_keys_in_object
_deep_transform_keys_in_object!
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
specify_numeric_keys?
unpermitted_keys
unpermitted_parameters!