21 lines
897 B
Plaintext
21 lines
897 B
Plaintext
tests/cases/conformance/es6/Symbols/symbolProperty24.ts(5,7): error TS2420: Class 'C' incorrectly implements interface 'I'.
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Types of property '[Symbol.toPrimitive]' are incompatible.
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Type '() => string' is not assignable to type '() => boolean'.
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Type 'string' is not assignable to type 'boolean'.
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==== tests/cases/conformance/es6/Symbols/symbolProperty24.ts (1 errors) ====
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interface I {
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[Symbol.toPrimitive]: () => boolean;
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}
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class C implements I {
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~
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!!! error TS2420: Class 'C' incorrectly implements interface 'I'.
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!!! error TS2420: Types of property '[Symbol.toPrimitive]' are incompatible.
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!!! error TS2420: Type '() => string' is not assignable to type '() => boolean'.
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!!! error TS2420: Type 'string' is not assignable to type 'boolean'.
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[Symbol.toPrimitive]() {
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return "";
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}
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} |