TypeScript/tests/baselines/reference/doNotElaborateAssignabilityToTypeParameters.errors.txt
Ron Buckton ea521d45e9
Adds 'Awaited' type alias and updates to Promise.all/race/allSettled/any (#45350)
* Adds 'Awaited' type alias and updates to Promise.all/race/allSettled/any

* Use Awaited<T> with 'await'

* Clean up overloads

* Further restrict 'Awaited<T>' auto-wrapping for 'await'
2021-09-09 18:23:17 -07:00

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tests/cases/compiler/doNotElaborateAssignabilityToTypeParameters.ts(3,3): error TS2322: Type 'Yadda | Awaited<T>' is not assignable to type 'T'.
'T' could be instantiated with an arbitrary type which could be unrelated to 'Yadda | Awaited<T>'.
==== tests/cases/compiler/doNotElaborateAssignabilityToTypeParameters.ts (1 errors) ====
async function foo<T>(x: T): Promise<T> {
let yaddable = await getXOrYadda(x);
return yaddable;
~~~~~~~~~~~~~~~~
!!! error TS2322: Type 'Yadda | Awaited<T>' is not assignable to type 'T'.
!!! error TS2322: 'T' could be instantiated with an arbitrary type which could be unrelated to 'Yadda | Awaited<T>'.
}
interface Yadda {
stuff: string,
things: string,
}
declare function getXOrYadda<T>(x: T): T | Yadda;