Sha256: 61dbaa5ff9b4808391b67b16c8df99eab5a6850efe3ad18bb318fa2f01d6abdc
Contents?: true
Size: 1.18 KB
Versions: 10
Compression:
Stored size: 1.18 KB
Contents
class Array
def add_or_delete(el)
include?(el) ? delete(el) : push(el)
end
def word_count
each_with_object({}) do |word, h|
h[word] ||= 0
h[word] += 1
end
end
def deep_merge_hashes
self.inject({}) do |res, h|
raise Exception.new("Not a hash #{h}") unless h.is_a?(Hash)
h.deep_merge(res)
end
end
def mean
return 0 if size == 0
inject(:+) / size
end
#def zip_all
# self[0].zip *self[1..-1]
#end
#
#def pluck!(method, *args)
# each_index { |x| self[x] = self[x].send method, *args }
#end
#
#alias invoke! pluck!
def without(*values)
copy = self.dup
copy.without!(*values)
end
def without!(*values)
values.flatten.each { |value| self.delete(value) }
self
end
def map_val(attr='id')
map{|el| el[attr] }
end
def contain?(other)
(other - self).empty?
end
def intersect?(other)
!(self & other).empty?
end
def to_hash
h = {}
each { |k, v| h[k] = v }
h
end
def val_detect(attr, val)
detect{|v| v[attr] == val }
end
end
#module Enumerable
# def pluck(method, *args)
# map { |x| x.send method, *args }
# end
#
# alias invoke pluck
#end
Version data entries
10 entries across 10 versions & 1 rubygems