22 lines
625 B
TypeScript
22 lines
625 B
TypeScript
|
// @strict: true
|
||
|
|
type MyTupleItem = {};
|
||
|
|
type MyTuple = [MyTupleItem, ...MyTupleItem[]];
|
||
|
|
|
||
|
|
type GenericFunction<T extends MyTuple> = (...fromArgs: T) => void;
|
||
|
|
|
||
|
|
class GenericClass<T extends MyTuple> {
|
||
|
|
from: GenericFunction<T> | undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
function createClass<T extends MyTuple>(f: GenericFunction<T>): GenericClass<T> {
|
||
|
|
return new GenericClass<T>(/* ... use f */);
|
||
|
|
}
|
||
|
|
|
||
|
|
function consumeClass(c: GenericClass<[string, boolean]>) { }
|
||
|
|
|
||
|
|
// should work
|
||
|
|
consumeClass(createClass(str => console.log(str.length)));
|
||
|
|
|
||
|
|
// should work
|
||
|
|
consumeClass(createClass((str, _unused_num) => console.log(str.length)));
|