class RuboCop::Cop::Style::MinMax
return foo.minmax
bar = foo.minmax
# good
return foo.min, foo.max
bar = [foo.min, foo.max]
# bad
@example
This cop checks for potential uses of ‘Enumerable#minmax`.
def argument_range(node)
def argument_range(node) first_argument_range = node.children.first.loc.expression last_argument_range = node.children.last.loc.expression first_argument_range.join(last_argument_range) end
def autocorrect(node)
def autocorrect(node) receiver = node.children.first.receiver lambda do |corrector| corrector.replace(offending_range(node), "#{receiver.source}.minmax") end end
def message(offender, receiver)
def message(offender, receiver) format(MSG, offender: offender.source, receiver: receiver.source) end
def offending_range(node)
def offending_range(node) case node.type when :return argument_range(node) else node.loc.expression end end
def on_array(node)
def on_array(node) min_max_candidate(node) do |receiver| offender = offending_range(node) add_offense(node, location: offender, message: message(offender, receiver)) end end