13 lines
200 B
Markdown
13 lines
200 B
Markdown
|
Install
|
||
|
=======
|
||
|
|
||
|
gem install functional
|
||
|
|
||
|
Usage
|
||
|
=====
|
||
|
|
||
|
require 'functional'
|
||
|
|
||
|
obj = 0 .. 10**12
|
||
|
Functional.new( obj).select {|i| i.even? }.map {|i| i/3 }.select {|i| i.even? }.each &method( :puts)
|