Sha256: 3471fa3da36e23de365e30af4bcfa0521235a658bd6641b980410fe90ffe96a6
Contents?: true
Size: 468 Bytes
Versions: 18
Compression:
Stored size: 468 Bytes
Contents
unless Enumerable.method_defined? :frequencies
module Enumerable
# Counts the number of occurrence of items in the enumerable.
#
# @return [Hash] in the format value => count
#
# @example
# [].frequencies # => {}
# [1, :symbol, 'string', 3, :symbol, 1].frequencies
# #=> { 1 => 2, :symbol => 2, 'string' => 1, 3 => 1 }
#
#
def frequencies
each_with_object(Hash.new(0)) { |e, a| a[e] += 1 }
end
end
end
Version data entries
18 entries across 15 versions & 5 rubygems