Sha256: 50f04102ba86bd9d3c7b9cfc5961f129a1013fd186207b3633547ed40b487c91
Contents?: true
Size: 820 Bytes
Versions: 5
Compression:
Stored size: 820 Bytes
Contents
require 'facets/hash/count'
module Enumerable
unless method_defined?(:count)
# Count the number of items in an enumerable
# equal (==) to the given object(s).
#
# e = [ 'a', '1', 'a' ]
# e.count('1') #=> 1
# e.count('a') #=> 2
# e.count('a', 1) #=> 3
#
# Note that Hash#count only considers values.
#
# e = { 'a' => 2, 'x' => 2, 'b' => 1 }
# e.count(1) #=> 1
# e.count(2) #=> 2
#
# CREDIT: Trans
def count(*items, &block)
if block || !items.empty?
r = self
r = r.select(&block) if block
r = r.select{ |x| items.any?{ |i| i == x } } if !items.empty?
r.size
else
begin
size
rescue
i=0; each{ |e| i+=1 }; i
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems