Class: RuboCop::Cop::Lint::HashCompareByIdentity
- Defined in:
- lib/rubocop/cop/lint/hash_compare_by_identity.rb
Overview
Prefer using `Hash#compare_by_identity` than using `object_id` for hash keys.
This cop is marked as unsafe as a hash possibly can contain other keys besides `object_id`s.
Constant Summary collapse
- RESTRICT_ON_SEND =
%i[key? has_key? fetch [] []=].freeze
- MSG =
'Use `Hash#compare_by_identity` instead of using `object_id` for keys.'
Instance Attribute Summary
Attributes inherited from Base
Instance Method Summary collapse
Methods inherited from Base
#add_global_offense, #add_offense, autocorrect_incompatible_with, badge, #callbacks_needed, callbacks_needed, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, #cop_name, cop_name, department, documentation_url, exclude_from_registry, #excluded_file?, #external_dependency_checksum, inherited, #initialize, joining_forces, lint?, match?, #message, #offenses, #on_investigation_end, #on_new_investigation, #on_other_file, #ready, #relevant_file?, support_autocorrect?, support_multiple_source?, #target_rails_version, #target_ruby_version
Methods included from AutocorrectLogic
#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #correctable?, #disable_uncorrectable?, #safe_autocorrect?
Methods included from IgnoredNode
#ignore_node, #ignored_node?, #part_of_ignored_node?
Methods included from Util
Constructor Details
This class inherits a constructor from RuboCop::Cop::Base
Instance Method Details
#on_send(node) ⇒ Object
31 32 33 |
# File 'lib/rubocop/cop/lint/hash_compare_by_identity.rb', line 31 def on_send(node) add_offense(node) if id_as_hash_key?(node) end |