• Core API

    These are the API documents for the base classes and modules in the current stable release of Ruby 2.1.

    • 2.1.2 core - Core API docs for Ruby 2.1.2 base classes and modules, such as String, Array, Symbol, etc.
    • 2.1.1 core - Core API docs for Ruby 2.1.1
    • 2.1.0 core - Core API docs for Ruby 2.1.0
    • 2.0.0 core - Core API docs for Ruby 2.0
    • 1.9.3 core - Core API docs for Ruby 1.9.3 base classes and modules, such as String, Array, Symbol, etc.
    • MRuby core - Core API docs for MRuby (this is not an active release version).
  • Standard Library API

    These are the API documents for the standard library classes and modules in version 2.1