NSObject+allselectors

extension NSObject {
    var getAllSelectors: [Selector] {
        var methodCount: UInt32 = 0
        guard
            let methodList = class_copyMethodList(type(of: self), &methodCount),
            methodCount != 0
        else {
            return []
        }
        return (0 ..< Int(methodCount))
            .compactMap { method_getName(methodList[$0]) }
    }
}