Implementasi Protokol Kesehatan Menggunakan Swift

prokes.swift

protocol Kesehatan {
    func memakaiMasker()
    func menjagaJarak()
    func mencuciTangan()
}


class MauSehat: /* implements */ Kesehatan {
    
    func memakaiMasker() {
        if let masker = wearables.select { \.type == .faceMask } {
            self.wear(masker)
        } else {
            // TODO: Buy masker!
        }
    }
    
    func menjagaJarak() {
        let myDistanceObserver = LocationDifferenceObserver()
        myDistanceObserver.handler = { nearbyDistances in
            let closestNearbyToMe = nearbyDistances.sorted(<).first
            if closestNearbyToMe < 1.m {
                let requiredDistance = 1.m - closestNearbyToMe
                self.take(requiredDistance)
            }
        }
        myDistanceObserver.start()
    }
    
    func mencuciTangan() {
        let handDampness = self.hands.both.read(state: .dampness).level
        if handDampness > 100 {
            // get the nearest water source and go there
            let places = map.find(keywords: "water", "bathroom", "faucet")
            guard let nearestPlace = places.sort { $0 > myDistance } else { useHandSanitizer() }
            navigator.guide(to: nearestPlace)
        }
    }
}