TypeScript/tests/cases/conformance/es6/Symbols/symbolProperty21.ts

13 lines
278 B
TypeScript

//@target: ES6
interface I<T, U> {
[Symbol.unscopables]: T;
[Symbol.isConcatSpreadable]: U;
}
declare function foo<T, U>(p: I<T, U>): { t: T; u: U };
foo({
[Symbol.isConcatSpreadable]: "",
[Symbol.toPrimitive]: 0,
[Symbol.unscopables]: true
});