36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
tests/cases/conformance/es6/spread/iteratorSpreadInCall7.ts(1,1): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
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Type argument candidate 'symbol' is not a valid type argument because it is not a supertype of candidate 'string'.
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==== tests/cases/conformance/es6/spread/iteratorSpreadInCall7.ts (1 errors) ====
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foo(...new SymbolIterator, ...new StringIterator);
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~~~
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!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
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!!! error TS2453: Type argument candidate 'symbol' is not a valid type argument because it is not a supertype of candidate 'string'.
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function foo<T>(...s: T[]) { return s[0]; }
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class SymbolIterator {
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next() {
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return {
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value: Symbol(),
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}
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class StringIterator {
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next() {
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return {
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value: "",
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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} |