Sha256: 1a61e990ab6828309e762dd23add5b22b27f31d7d770871e9855cf4eaae60c5c
Contents?: true
Size: 584 Bytes
Versions: 22
Compression:
Stored size: 584 Bytes
Contents
# frozen_string_literal: true
Array.class_eval do
# 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
Version data entries
22 entries across 22 versions & 1 rubygems