0.5.0 / 2024-01-25

  • Require ruby >= 2.0.0.
  • Switched to using require_relative to improve load-times.
  • Added # frozen_string_literal: true to all files.

0.4.4 / 2022-01-16

0.4.3 / 2012-05-28

  • Fixed a typo in the gemspec, which incorrectly set required_rubygems_version to the same value as required_ruby_version.

0.4.2 / 2012-05-27

  • Avoid warnings on JRuby by checking for ::Generator before ::Enumerator::Generator in combinatorics/generator.
  • Raise a NameError when the Generator class cannot be found in combinatorics/generator.
  • Replaced ore-tasks with rubygems-tasks.

0.4.1 / 2011-10-15

  • Fixed a typo in the gemspec.

0.4.0 / 2011-10-15

0.3.1 / 2010-10-26

0.3.0 / 2010-10-17

  • Added Combinatorics::Generator which auto-detects the Generator class.
  • Added Combinatorics::Enumerator which auto-detects the Enumerator class.

  • Better detection of when enumerable values passed to Array#comprehension reach their last value. This allows using Generator objects that yield different values for each cycle:

    multiplier = 0 gen = Generator.new { |g| multiplier += 1 5.times { |i| g.yield (i * multiplier) } }

    [[1,2], gen].comprehension.to_a # => [[1,0],[1,1],[1,2],[1,3],[1,4],[2,0],[2,2],[2,4],[2,6],[2,8]]

  • Added a benchmark for Array#comprehension (see the benchmarks directory).

0.2.0 / 2010-10-03

0.1.0 / 2010-10-02