TypeScript/tests/baselines/reference/invariantGenericErrorElaboration.errors.txt
Anders Hejlsberg 373accf28f
Improve recursion depth checks (#46599)
* Decrease recursion depth limit to 3 + smarter check for recursion

* Accept new baselines

* Always set last type id

* Keep indexed access recursion depth check

* Less expensive and corrected check for broadest equivalent keys
2021-11-02 14:05:17 -07:00

39 lines
1.8 KiB
Plaintext

tests/cases/compiler/invariantGenericErrorElaboration.ts(3,7): error TS2322: Type 'Num' is not assignable to type 'Runtype<any>'.
The types of 'constraint.constraint' are incompatible between these types.
Type 'Constraint<Constraint<Num>>' is not assignable to type 'Constraint<Constraint<Runtype<any>>>'.
Type 'Runtype<any>' is not assignable to type 'Num'.
tests/cases/compiler/invariantGenericErrorElaboration.ts(4,19): error TS2322: Type 'Num' is not assignable to type 'Runtype<any>'.
==== tests/cases/compiler/invariantGenericErrorElaboration.ts (2 errors) ====
// Repro from #19746
const wat: Runtype<any> = Num;
~~~
!!! error TS2322: Type 'Num' is not assignable to type 'Runtype<any>'.
!!! error TS2322: The types of 'constraint.constraint' are incompatible between these types.
!!! error TS2322: Type 'Constraint<Constraint<Num>>' is not assignable to type 'Constraint<Constraint<Runtype<any>>>'.
!!! error TS2322: Type 'Runtype<any>' is not assignable to type 'Num'.
const Foo = Obj({ foo: Num })
~~~
!!! error TS2322: Type 'Num' is not assignable to type 'Runtype<any>'.
!!! related TS6501 tests/cases/compiler/invariantGenericErrorElaboration.ts:17:34: The expected type comes from this index signature.
interface Runtype<A> {
constraint: Constraint<this>
witness: A
}
interface Num extends Runtype<number> {
tag: 'number'
}
declare const Num: Num
interface Obj<O extends { [_ in string]: Runtype<any> }> extends Runtype<{[K in keyof O]: O[K]['witness'] }> {}
declare function Obj<O extends { [_: string]: Runtype<any> }>(fields: O): Obj<O>;
interface Constraint<A extends Runtype<any>> extends Runtype<A['witness']> {
underlying: A,
check: (x: A['witness']) => void,
}