h2. Active Support Overview Active Support is the Rails component responsible for providing Ruby language extensions, utilities, and other transversal stuff. It offers a richer bottom-line at the language level, targeted both at the development of Rails applications, and at the development of Rails itself. By referring to this guide you will learn: * The extensions to the Ruby core modules and classes provided by Rails. * The rest of fundamental libraries available in Rails. endprologue. h3. Extensions to +Kernel+ ... h3. Extensions to +Object+ ... h3. Extensions to +Module+ ... h3. Extensions to +Class+ ... h3. Extensions to +NilClass+ ... h3. Extensions to +TrueClass+ ... h3. Extensions to +FalseClass+ ... h3. Extensions to +Symbol+ ... h3. Extensions to +String+ ... h3. Extensions to +Numeric+ ... h3. Extensions to +Integer+ ... h3. Extensions to +Float+ ... h3. Extensions to +BigDecimal+ ... h3. Extensions to +Enumerable+ ... h3. Extensions to +Array+ ... h3. Extensions to +Hash+ ... h3. Extensions to +Range+ ... h3. Extensions to +Proc+ ... h3. Extensions to +Date+ ... h3. Extensions to +DateTime+ ... h3. Extensions to +Time+ ... h3. Extensions to +Process+ ... h3. Extensions to +Pathname+ ... h3. Extensions to +File+ ... h3. Extensions to +Exception+ ... h3. Extensions to +NameError+ ... h3. Extensions to +LoadError+ ... h3. Extensions to +CGI+ ... h3. Extensions to +Benchmark+ ... h3. Changelog "Lighthouse ticket":https://rails.lighthouseapp.com/projects/16213/tickets/67 * April 18, 2009: Initial version by "Xavier Noria":credits.html#fxn