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tests/cases/conformance/es6/Symbols/symbolProperty24.ts(6,5): error TS2416: Property '[Symbol.toPrimitive]' in type 'C' is not assignable to the same property in base type 'I'.
Type '() => string' is not assignable to type '() => boolean'.
Type 'string' is not assignable to type 'boolean'.
==== tests/cases/conformance/es6/Symbols/symbolProperty24.ts (1 errors) ====
interface I {
[Symbol.toPrimitive]: () => boolean;
}
class C implements I {
[Symbol.toPrimitive]() {
~~~~~~~~~~~~~~~~~~~~
!!! error TS2416: Property '[Symbol.toPrimitive]' in type 'C' is not assignable to the same property in base type 'I'.
!!! error TS2416: Type '() => string' is not assignable to type '() => boolean'.
!!! error TS2416: Type 'string' is not assignable to type 'boolean'.
return "";
}
}
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