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tests/cases/conformance/es7/trailingCommasInFunctionParametersAndArguments.ts(5,20): error TS1013: A rest parameter or binding pattern may not have a trailing comma.
==== tests/cases/conformance/es7/trailingCommasInFunctionParametersAndArguments.ts (1 errors) ====
function f1(x,) {}
f1(1,);
function f2(...args,) {}
~
!!! error TS1013: A rest parameter or binding pattern may not have a trailing comma.
// Allowed for ambient declarations
declare function f25(...args,): void;
f2(...[],);
// Not confused by overloads
declare function f3(x, ): number;
declare function f3(x, y,): string;
<number>f3(1,);
<string>f3(1, 2,);
// Works for constructors too
class X {
constructor(a,) { }
// See trailingCommasInGetter.ts
set x(value,) { }
}
interface Y {
new(x,);
(x,);
}
new X(1,);
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