Class: Rubocop::Cop::Style::Not

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/not.rb

Overview

This cop checks for uses if the keyword not instead of !.

Constant Summary collapse

MSG = 
'Use ! instead of not.'

Instance Attribute Summary

Attributes inherited from Cop

#autocorrect, #corrections, #debug, #disabled_lines, #offences

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?

Constructor Details

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

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/not.rb', line 10

def on_send(node)
  _receiver, method_name, *args = *node

  # not does not take any arguments
  if args.empty? && method_name == :! &&
      node.loc.selector.is?('not')
    add_offence(:convention, node.loc.selector, MSG)
  end
end