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=== tests/cases/conformance/es7/trailingCommasInFunctionParametersAndArguments.ts ===
function f1(x,) {}
>f1 : Symbol(f1, Decl(trailingCommasInFunctionParametersAndArguments.ts, 0, 0))
>x : Symbol(x, Decl(trailingCommasInFunctionParametersAndArguments.ts, 0, 12))
f1(1,);
>f1 : Symbol(f1, Decl(trailingCommasInFunctionParametersAndArguments.ts, 0, 0))
function f2(...args,) {}
>f2 : Symbol(f2, Decl(trailingCommasInFunctionParametersAndArguments.ts, 2, 7))
>args : Symbol(args, Decl(trailingCommasInFunctionParametersAndArguments.ts, 4, 12))
// Allowed for ambient declarations
declare function f25(...args,): void;
>f25 : Symbol(f25, Decl(trailingCommasInFunctionParametersAndArguments.ts, 4, 24))
>args : Symbol(args, Decl(trailingCommasInFunctionParametersAndArguments.ts, 7, 21))
f2(...[],);
>f2 : Symbol(f2, Decl(trailingCommasInFunctionParametersAndArguments.ts, 2, 7))
// Not confused by overloads
declare function f3(x, ): number;
>f3 : Symbol(f3, Decl(trailingCommasInFunctionParametersAndArguments.ts, 9, 11), Decl(trailingCommasInFunctionParametersAndArguments.ts, 12, 33))
>x : Symbol(x, Decl(trailingCommasInFunctionParametersAndArguments.ts, 12, 20))
declare function f3(x, y,): string;
>f3 : Symbol(f3, Decl(trailingCommasInFunctionParametersAndArguments.ts, 9, 11), Decl(trailingCommasInFunctionParametersAndArguments.ts, 12, 33))
>x : Symbol(x, Decl(trailingCommasInFunctionParametersAndArguments.ts, 13, 20))
>y : Symbol(y, Decl(trailingCommasInFunctionParametersAndArguments.ts, 13, 22))
<number>f3(1,);
>f3 : Symbol(f3, Decl(trailingCommasInFunctionParametersAndArguments.ts, 9, 11), Decl(trailingCommasInFunctionParametersAndArguments.ts, 12, 33))
<string>f3(1, 2,);
>f3 : Symbol(f3, Decl(trailingCommasInFunctionParametersAndArguments.ts, 9, 11), Decl(trailingCommasInFunctionParametersAndArguments.ts, 12, 33))
// Works for constructors too
class X {
>X : Symbol(X, Decl(trailingCommasInFunctionParametersAndArguments.ts, 16, 18))
constructor(a,) { }
>a : Symbol(a, Decl(trailingCommasInFunctionParametersAndArguments.ts, 20, 16))
// See trailingCommasInGetter.ts
set x(value,) { }
>x : Symbol(X.x, Decl(trailingCommasInFunctionParametersAndArguments.ts, 20, 23))
>value : Symbol(value, Decl(trailingCommasInFunctionParametersAndArguments.ts, 22, 10))
}
interface Y {
>Y : Symbol(Y, Decl(trailingCommasInFunctionParametersAndArguments.ts, 23, 1))
new(x,);
>x : Symbol(x, Decl(trailingCommasInFunctionParametersAndArguments.ts, 25, 8))
(x,);
>x : Symbol(x, Decl(trailingCommasInFunctionParametersAndArguments.ts, 26, 5))
}
new X(1,);
>X : Symbol(X, Decl(trailingCommasInFunctionParametersAndArguments.ts, 16, 18))
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