Class: RuboCop::Cop::Lint::UselessSetterCall

Inherits:

Cop

• Object
• Cop
• RuboCop::Cop::Lint::UselessSetterCall

Includes:

OnMethodDef

Defined in:

lib/rubocop/cop/lint/useless_setter_call.rb

Overview

This cop checks for setter call to local variable as the final expression of a function definition.

Examples:

def something
  x = Something.new
  x.attr = 5
end

Defined Under Namespace

Classes: MethodVariableTracker

Constant Summary

MSG =

'Useless setter call to local variable `%s`.'

ASSIGNMENT_TYPES =

[:lvasgn, :ivasgn, :cvasgn, :gvasgn].freeze

LITERAL_TYPES =

[
  :true, :false, :nil,
  :int, :float,
  :str, :dstr, :sym, :dsym, :xstr, :regexp,
  :array, :hash,
  :irange, :erange
].freeze

Constants included from Util

Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Method Summary

Methods included from OnMethodDef

#on_def, #on_defs

Methods inherited from Cop

#add_offense, all, #autocorrect?, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, #cop_name, cop_name, cop_name_with_namespace, cop_type, #debug?, #display_cop_names?, inherited, #initialize, #join_force?, lint?, #message, non_rails, qualified_cop_name, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, numeric_range_size, on_node, operator?, parentheses?, proc?, range_with_surrounding_space, source_range, strip_quotes, within_node?

Methods included from PathUtil

issue_deprecation_warning, match_path?, relative_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Cop