Class: Rubocop::Cop::Lint::UselessSetterCall

Inherits:
Cop
  • Object
show all
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 collapse

MSG = 
'Useless setter call to local variable %s.'
ASSIGNMENT_TYPES = 
[:lvasgn, :ivasgn, :cvasgn, :gvasgn].freeze

Constants inherited from Cop

Cop::OPERATOR_METHODS

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect?, #convention, #cop_config, cop_name, #cop_name, cop_type, #debug?, #ignore_node, inherited, #initialize, lint?, #message, non_rails, rails?, style?, #support_autocorrect?, #warning

Constructor Details

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

Instance Method Details

#on_def(node) ⇒ Object 



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# File 'lib/rubocop/cop/lint/useless_setter_call.rb', line 19

def on_def(node)
  _name, args, body = *node

  check_for_useless_assignment(body, args)
end

#on_defs(node) ⇒ Object 



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# File 'lib/rubocop/cop/lint/useless_setter_call.rb', line 25

def on_defs(node)
  _target, _name, args, body = *node

  check_for_useless_assignment(body, args)
end