Sha256: 7fa2e7e9ccc3548bf5ddacdd91731da544ed3afb23412aa7d6f409b3972c37c1
Contents?: true
Size: 666 Bytes
Versions: 6
Compression:
Stored size: 666 Bytes
Contents
# frozen_string_literal: true
Array.class_eval do
unless method_defined?(:weighted_sum)
# Sums the array with each element weighing 10 times as the next.
# Expects `self` to be [Array<Numeric>]
#
# @raise [RubyRailsExtensions::Errors::NonNumericError] if any element is not Numeric
#
# @return [Integer]
#
def weighted_sum
each_with_index.sum do |val, index|
unless Numeric === val
raise(
RubyRailsExtensions::Errors::NonNumericError,
"Wrong element type (given #{val.class}, expected Numeric)"
)
end
val * (10**(size - index))
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems