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tests/cases/conformance/types/union/unionTypeReadonly.ts(17,6): error TS2540: Cannot assign to 'value' because it is a read-only property.
tests/cases/conformance/types/union/unionTypeReadonly.ts(19,11): error TS2540: Cannot assign to 'value' because it is a read-only property.
tests/cases/conformance/types/union/unionTypeReadonly.ts(21,9): error TS2540: Cannot assign to 'value' because it is a read-only property.
tests/cases/conformance/types/union/unionTypeReadonly.ts(23,15): error TS2540: Cannot assign to 'value' because it is a read-only property.
tests/cases/conformance/types/union/unionTypeReadonly.ts(25,15): error TS2339: Property 'value' does not exist on type 'Base | DifferentName'.
Property 'value' does not exist on type 'DifferentName'.
==== tests/cases/conformance/types/union/unionTypeReadonly.ts (5 errors) ====
interface Base {
readonly value: number;
}
interface Identical {
readonly value: number;
}
interface Mutable {
value: number;
}
interface DifferentType {
readonly value: string;
}
interface DifferentName {
readonly other: number;
}
let base: Base;
base.value = 12 // error, lhs can't be a readonly property
~~~~~
!!! error TS2540: Cannot assign to 'value' because it is a read-only property.
let identical: Base | Identical;
identical.value = 12; // error, lhs can't be a readonly property
~~~~~
!!! error TS2540: Cannot assign to 'value' because it is a read-only property.
let mutable: Base | Mutable;
mutable.value = 12; // error, lhs can't be a readonly property
~~~~~
!!! error TS2540: Cannot assign to 'value' because it is a read-only property.
let differentType: Base | DifferentType;
differentType.value = 12; // error, lhs can't be a readonly property
~~~~~
!!! error TS2540: Cannot assign to 'value' because it is a read-only property.
let differentName: Base | DifferentName;
differentName.value = 12; // error, property 'value' doesn't exist
~~~~~
!!! error TS2339: Property 'value' does not exist on type 'Base | DifferentName'.
!!! error TS2339: Property 'value' does not exist on type 'DifferentName'.
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