Core Libs     vs     Standard Libs

                                          (Always need 'require')

RED PRECIOUS STONE Series

Sample of Core Libs

RED PRECIOUS STONE Series

Literals classes: nil, Booleans, Numbers, Strings, Symbols, ...

Enumerable classes

IO classes, File system management classes

Error classes

OS classes, Process, Thread, Fiber, Signal, ...

Profile classes

Core classes

Sample of Standard Libs

RED PRECIOUS STONE Series

CGI                  csv                                Zlib

erb                   irb                                benchmark

json                 uri                                logger 

net/*               rubygems                   time

rake                securerandom 

rdoc                time

yaml               webrick