Two interfaces, AllTypes type:
interface A {
// ...
}
interface B {
// ...
}
type AllTypes = A | B;
How can I utilize generics to ensure that a function's argument is an object with either interface A or B?
// pseudocode
function test<T oneof AllTypes>(argument: T): void {
// ...
}
Give this a shot:
<S extends AllVarieties>
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