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Created March 3, 2020 15:48
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Undiscriminiate in Typescript
type DiscriminateMessageType<
T extends BookingMessageNotification['bookingMessageType']
> = A extends BookingMessageNotification ?
T extends A['bookingMessageType'] ? A : never
: never;
asMsg<T extends BookingMessageNotification['bookingMessageType']>(type: T): DiscriminateMessageType<BookingMessageNotification, T> {
return this._entry as any;
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