Ruby 3.0.5p211 (2022-11-24 revision ba5cf0f7c52d4d35cc6a173c89eda98ceffa2dcf)
Modules
Here is a list of all modules:
[detail level 12]
 Classes and their hierarchy.
 Defining methodsThere are some APIs to define a method from C
 Exception handlings
 deprecated macro APIsThese macros are deprecated
 CRuby Embedding APIsCRuby interpreter APIs
 ruby(1) implementationA part of the implementation of ruby(1) command
 Core objects and their operations