Sha256: 6ea060472ec86bf7e28f6d8916859f6affa701ee38715b3f98e193ef9f20e3a3
Contents?: true
Size: 720 Bytes
Versions: 19
Compression:
Stored size: 720 Bytes
Contents
#!/usr/local/bin/ruby -w
# A template for new files in the project; of no interest to end users. An
# error will be raised if you +require+ it.
#--
# :enddoc:
#
# == extensions/XXX.rb
#
# Adds methods to the builtin XXX class.
#
raise "Do not load this file!"
require "extensions/_base"
#
# * Enumerable#build_hash
#
ExtensionsProject.implement(Enumerable, :build_hash) do
module Enumerable
#
# Like #map/#collect, but it generates a Hash.
#
# [1,5,11].build_hash { |x| [x, x**2] }
# => { 1 => 2, 5 => 25, 11 => 121 }
#
def build_hash
result = {}
self.each do |elt|
key, value = yield elt
result[key] = value
end
result
end
end
end
Version data entries
19 entries across 19 versions & 4 rubygems