What is cattr_accesor and mattr_accessor, thread_cattr or thread_mattr in Ruby and in Rails?

cattr_accessor, mattr_accessor, and the thread_cattr and thread_mattr variants explained: ActiveSupport helpers for class-level and module-level attributes, plus thread-safe versions that avoid data inconsistencies in multi-threaded apps. Examples for each accessor, reader, and writer.

Sep 4, 2023