While objc `#pragma mark` works in objj files, it requires a preprocessor to handle the directive.
// MARK: is the fully functional and correct Objective-J variant.
Resolves testKVCCountSetOperators failure in CPSetTest. The previous implementation lacked an override for valueForKey:, causing the runtime to fall back to the default CPObject behavior, which failed to recognize KVC collection operators (e.g., @count).
Delegating valueForKey: to valueForKeyPath: ensures that CPSet correctly routes KVC operations through the existing collection operator logic.
• Refactor @implementation _CPKVCSet and CPObject (CPSetKVO) from _CPSet.j to the tail of CPMutableSet.j.
• Fix legacy compiler parse failures by ensuring the CPMutableSet superclass symbol is fully resolved within the translation unit prior to proxy evaluation.
• Maintain strict DAG compliance across the modern toolchain pipeline topology.
• Embed explicit #pragma mark navigation landmarks and enforce Allman brace layout to improve human structural ergonomics.
David Richardson
Martin CarlbergandGitHub
Randall Luecke
Francisco Ryan Tolmasky I
Alexander Ljungberg