Better SharedPreferences with kotlin extensions

PreferencesKtx.kt

inline val Context.sharedPreferences: SharedPreferences
    get() = PreferenceManager.getDefaultSharedPreferences(this)

inline fun <reified T> SharedPreferences.get(key: String, defaultValue: T): T {
    return when (T::class) {
        Boolean::class -> this.getBoolean(key, defaultValue as Boolean) as T
        Float::class -> this.getFloat(key, defaultValue as Float) as T
        Int::class -> this.getInt(key, defaultValue as Int) as T
        Long::class -> this.getLong(key, defaultValue as Long) as T
        String::class -> this.getString(key, defaultValue as String) as T
        else -> defaultValue
    }
}

inline fun <reified T> SharedPreferences.put(key: String, value: T) = edit {
    when (T::class) {
        Boolean::class -> putBoolean(key, value as Boolean)
        Float::class -> putFloat(key, value as Float)
        Int::class -> putInt(key, value as Int)
        Long::class -> putLong(key, value as Long)
        String::class -> putString(key, value as String)
        else -> throw Exception("Not yet implemented")
    }
}