rubygem-cool.io: rubygem-cool.io (Simple evented I/O for Ruby) rubygem-cool.io: rubygem-cool.io: Cool.io is an event library for Ruby, built on the libev event rubygem-cool.io: library which provides a cross-platform interface to high rubygem-cool.io: performance system calls. rubygem-cool.io: rubygem-cool.io: Homepage: https://coolio.github.io/ rubygem-cool.io: rubygem-cool.io: rubygem-cool.io: rubygem-cool.io: