しんかのきせき有効

kiseki.csv

extension Collection where Iterator.Element: Hashable {
    typealias E = Iterator.Element
    func diff(other: [E]) -> [E] {
        let all = self + other
        var counter: [E: Int] = [:]
        all.forEach { counter[$0] = (counter[$0] ?? 0) + 1 }
        return all.filter { (counter[$0] ?? 0) == 1 }
    }
}

        let pokemons = realm.objects(Pokemons.self).sorted(byKeyPath: "nationalId")
        var p: [String] = []
        var evo: [String] = []
        pokemons.forEach { pokemon in
            if pokemon.evolutions.count != 0 {

                for (index, evo) in pokemon.evolutions.enumerated() {
                    if index == pokemon.evolutions.count - 1 {
                        evo.append("\"" + evo.toPokemon.nameJa + "\"")
                    } else {

                    }
                }
                p.append("\"" + pokemon.nameJa + "\"")
            }
        }

        let uniqEvo: [String] = evo.reduce([]) { $0.contains($1) ? $0: $0 + [$1] }
        let uniqp: [String] = p.reduce([]) { $0.contains($1) ? $0: $0 + [$1] }
        log?.info(uniqp.diff(other: uniqEvo).joined(separator: ",\n"))