class RuboCop::Cop::Lint::EmptyInterpolation

“result is #{some_result}”
# good
@example
“result is #{}”
# bad
@example
This cop checks for empty interpolation.

def on_interpolation(begin_node)

def on_interpolation(begin_node)
  return unless begin_node.children.empty?
  add_offense(begin_node) { |corrector| corrector.remove(begin_node.loc.expression) }
end