class RuboCop::Cop::Style::StringMethods

‘var’.preferred_method
’name’.to_sym
# good
’var’.unfavored_method
’name’.intern
# bad
@example
from the String class.
This cop enforces the use of consistent method names

def on_send(node) 

def on_send(node)
  return unless (preferred_method = preferred_method(node.method_name))
  message = format(MSG, prefer: preferred_method, current: node.method_name)
  add_offense(node.loc.selector, message: message) do |corrector|
    corrector.replace(node.loc.selector, preferred_method(node.method_name))
  end
end