maybe-chain

Installation

Add this line to your application's Gemfile:

gem 'maybe-chain'

And then execute:

$ bundle

Or install it yourself as:

$ gem install maybe-chain

Usage

m1 = "a".to_maybe.upcase.gsub(/A/, "B")

maybe(m1) do |str|
  puts str # => B
end

m2 = nil.to_maybe.upcase.gsub(/A/, "B")

maybe(m2) do |str|
  puts str # No Execute
end

maybe(m2, "a") do |str|
  puts str # => a
end

m3 = [1,2,3].to_maybe.map {|i| i * 2}.reject {|i| i > 5}

maybe(m3) do |arr|
  p arr # => [2, 4]
end

m4 = "a".to_maybe(NoMethodError).upcase.no_method.gsub(/A/, "B")

maybe(m4) do |str|
  puts str # => No Execute
end

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request