Swift Dictionary Extension

DictionaryExtension.swift

import Foundation

extension Dictionary {
    func fetch(_ key: Key, defaultValue: @autoclosure () -> Value) -> Value {
        return self[key] ?? defaultValue()
    }
    
    func fetch<T>(_ key: Key, castTo type: T.Type, defaultValue: @autoclosure () -> T) -> T {
        return self[key] as? T ?? defaultValue()
    }
}