class RuboCop::Cop::InternalAffairs::MethodNameEndWith


node.bang_method?
# good
node.method_name.to_s.end_with?(‘!’)
# bad
node.predicate_method?
# good
node.method_name.to_s.end_with?(‘?’)
# bad
node.assignment_method?
# good
node.method_name.to_s.end_with?(‘=’)
# bad
@example
defined in rubocop-ast instead of ‘method_name.end_with?`.
Checks potentially usage of method identifier predicates

def on_send(node) 

def on_send(node)
  method_name_end_with?(node) do |method_name_node, end_with_arg|
    next unless method_name_node.receiver
    preferred_method = SUGGEST_METHOD_FOR_SUFFIX[end_with_arg.value]
    range = range(method_name_node, node)
    message = format(MSG, method_name: preferred_method, method_suffix: range.source)
    add_offense(range, message: message) do |corrector|
      corrector.replace(range, preferred_method)
    end
  end
end

def range(method_name_node, node) 

def range(method_name_node, node)
  range = if method_name_node.call_type?
            method_name_node.loc.selector
          else
            method_name_node.source_range
          end
  range_between(range.begin_pos, node.source_range.end_pos)
end