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RuboCop::Cop::Style::MethodCalledOnDoEndBlock

This cop checks for methods called on a do...end block. The point of this check is that it's easy to miss the call tacked on to the block when reading code.

@example

a do

b

end.c

Constants

MSG

Public Instance Methods

on_block(node) click to toggle source
# File lib/rubocop/cop/style/method_called_on_do_end_block.rb, line 17
def on_block(node)
  method, _args, _body = *node
  # If the method that is chained on the do...end block is itself a
  # method with a block, we allow it. It's pretty safe to assume that
  # these calls are not missed by anyone reading code. We also want to
  # avoid double reporting of offenses checked by the
  # MultilineBlockChain cop.
  ignore_node(method)
end
on_send(node) click to toggle source
# File lib/rubocop/cop/style/method_called_on_do_end_block.rb, line 27
def on_send(node)
  return if ignored_node?(node)
  receiver, _method_name, *_args = *node
  return unless receiver && receiver.type == :block &&
    receiver.loc.end.is?('end')

  range = Parser::Source::Range.new(receiver.loc.end.source_buffer,
                                    receiver.loc.end.begin_pos,
                                    node.loc.expression.end_pos)
  add_offense(nil, range)
end

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