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koss-lebedev/intersection-with-union-type.ts

Last active April 28, 2019 13:50
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intersection-with-union-type.ts
type CreditCard = {
number: string
expMonth: number
expYear: number
}
// Type with union operator
type Chargeable = { token: string } | { cvc: number }
type ChargeableCreditCard = CreditCard & Chargeable
/* ---------------------------------------
Interpreted type type will look like this:
type ChargeableCreditCard = (CreditCard & {
token: string;
}) | (CreditCard & {
cvc: number;
})
-----------------------------------------*/
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