Method: Parser::Source::TreeRewriter#merge!

Defined in:
lib/parser/source/tree_rewriter.rb

#merge!(with) ⇒ Rewriter

Merges the updates of argument with the receiver. Policies of the receiver are used. This action is atomic in that it won't change the receiver unless it succeeds.

Parameters:

Returns:

Raises:


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# File 'lib/parser/source/tree_rewriter.rb', line 139

def merge!(with)
  raise 'TreeRewriter are not for the same source_buffer' unless
    source_buffer == with.source_buffer

  @action_root = @action_root.combine(with.action_root)
  self
end