Rannie / HRKeyValueObserver

Lightness KVO helper.

HRKeyValueObserver

Description

A lightness KVO helper class.
Avoid excessive KVO code.

Usage

Single keypath observer

- (instancetype)initWithObject:(id)object keyPath:(NSString *)keyPath target:(id)target selector:(SEL)selector;

Keypaths perform one selector

- (instancetype)initWithObject:(id)object keyPathList:(NSArray *)keyPaths target:(id)target selector:(SEL)selector;

Keypaths perform different selectors

- (instancetype)initWithObject:(id)object keyPathSelectorMap:(NSDictionary *)map target:(id)target;