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requiredMappedTypeModifierTrumpsVariance.errors.txt
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requiredMappedTypeModifierTrumpsVariance.errors.txt
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tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(5,1): error TS2741: Property 'a' is missing in type 'Required<{ b?: 1; x: 1; }>' but required in type 'Required<{ a?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(6,1): error TS2741: Property 'b' is missing in type 'Required<{ a?: 1; x: 1; }>' but required in type 'Required<{ b?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(8,3): error TS2339: Property 'b' does not exist on type 'Required<{ a?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(9,3): error TS2339: Property 'a' does not exist on type 'Required<{ b?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(18,1): error TS2322: Type 'Foo<{ b?: 1; x: 1; }>' is not assignable to type 'Foo<{ a?: 1; x: 1; }>'.
Types of property 'a' are incompatible.
Property 'a' is missing in type 'Required<{ b?: 1; x: 1; }>' but required in type 'Required<{ a?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(19,1): error TS2322: Type 'Foo<{ a?: 1; x: 1; }>' is not assignable to type 'Foo<{ b?: 1; x: 1; }>'.
Types of property 'a' are incompatible.
Property 'b' is missing in type 'Required<{ a?: 1; x: 1; }>' but required in type 'Required<{ b?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(21,6): error TS2339: Property 'b' does not exist on type 'Required<{ a?: 1; x: 1; }>'.
tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts(22,6): error TS2339: Property 'a' does not exist on type 'Required<{ b?: 1; x: 1; }>'.
==== tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts (8 errors) ====
const a: Required<{ a?: 1; x: 1 }> = { a: 1, x: 1 };
const b: Required<{ b?: 1; x: 1 }> = { b: 1, x: 1 };
export let A = a;
export let B = b;
A = b; // Should Error
~
!!! error TS2741: Property 'a' is missing in type 'Required<{ b?: 1; x: 1; }>' but required in type 'Required<{ a?: 1; x: 1; }>'.
!!! related TS2728 tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts:1:21: 'a' is declared here.
B = a; // Should Error
~
!!! error TS2741: Property 'b' is missing in type 'Required<{ a?: 1; x: 1; }>' but required in type 'Required<{ b?: 1; x: 1; }>'.
!!! related TS2728 tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts:2:21: 'b' is declared here.
a.b; // Property 'b' does not exist on type 'Required<{ a?: 1; x: 1; }>'.
~
!!! error TS2339: Property 'b' does not exist on type 'Required<{ a?: 1; x: 1; }>'.
b.a; // Property 'a' does not exist on type 'Required<{ b?: 1; x: 1; }>'.
~
!!! error TS2339: Property 'a' does not exist on type 'Required<{ b?: 1; x: 1; }>'.
interface Foo<T> {
a: Required<T>;
}
const aa: Foo<{ a?: 1; x: 1 }> = { a: { a: 1, x: 1 } };
const bb: Foo<{ b?: 1; x: 1 }> = { a: { b: 1, x: 1 } };
export let AA = aa;
export let BB = bb;
AA = bb; // Should Error
~~
!!! error TS2322: Type 'Foo<{ b?: 1; x: 1; }>' is not assignable to type 'Foo<{ a?: 1; x: 1; }>'.
!!! error TS2322: Types of property 'a' are incompatible.
!!! error TS2322: Property 'a' is missing in type 'Required<{ b?: 1; x: 1; }>' but required in type 'Required<{ a?: 1; x: 1; }>'.
!!! related TS2728 tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts:14:17: 'a' is declared here.
BB = aa; // Should Error
~~
!!! error TS2322: Type 'Foo<{ a?: 1; x: 1; }>' is not assignable to type 'Foo<{ b?: 1; x: 1; }>'.
!!! error TS2322: Types of property 'a' are incompatible.
!!! error TS2322: Property 'b' is missing in type 'Required<{ a?: 1; x: 1; }>' but required in type 'Required<{ b?: 1; x: 1; }>'.
!!! related TS2728 tests/cases/compiler/requiredMappedTypeModifierTrumpsVariance.ts:15:17: 'b' is declared here.
aa.a.b; // Property 'b' does not exist on type 'Required<{ a?: 1; x: 1; }>'.
~
!!! error TS2339: Property 'b' does not exist on type 'Required<{ a?: 1; x: 1; }>'.
bb.a.a; // Property 'a' does not exist on type 'Required<{ b?: 1; x: 1; }>'.
~
!!! error TS2339: Property 'a' does not exist on type 'Required<{ b?: 1; x: 1; }>'.