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# frozen_string_literal: true
require 'benchmark/memory/human_readable_unit'
module Benchmark
module Memory
# Helper methods for formatting output.
module Helpers
# Right-justifies to a length of 20 or adds a line of padding when longer.
#
# @param label [#to_s] The label to justify.
#
# @return [String] The justified label.
def rjust(label)
label = label.to_s
if label.size > 20
"#{label}\n#{' ' * 20}"
else
label.rjust(20)
end
end
# Scale a value into human-understandable terms.
#
# @param value [Integer, Float] The value to scale.
#
# @return [String] The scaled value.
def scale(value)
value = HumanReadableUnit.new(value)
format("%10.3f#{value.unit}", value.to_f / (1000**value.scale))
end
module_function :scale # rubocop:disable Style/AccessModifierDeclarations
end
end
end
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