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Contents
# frozen_string_literal: true
# Splits an array into two groups, where the 1st group is a randomly selected
# sample of the input (of the specified size) and the 2nd group is the remainder.
#
# This function takes 2 parameters:
# * The array to split (Array)
# * The number of items to sample from the array (Integer)
#
# Returns an array of [<sample>, <remainder>].
Puppet::Functions.create_function(:'canary::random_split') do
dispatch :rand do
param 'Array', :arr
param 'Integer', :size
end
def rand(arr, size)
canaries = arr.sample(size)
rest = arr.reject { |r| canaries.include?(r) }
[canaries, rest]
end
end
Version data entries
169 entries across 169 versions & 1 rubygems