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tests/cases/conformance/types/objectTypeLiteral/callSignatures/callSignaturesWithParameterInitializers.ts(24,6): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/callSignaturesWithParameterInitializers.ts(25,20): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/callSignaturesWithParameterInitializers.ts(36,6): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/callSignaturesWithParameterInitializers.ts(37,9): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
==== tests/cases/conformance/types/objectTypeLiteral/callSignatures/callSignaturesWithParameterInitializers.ts (4 errors) ====
// Optional parameters allow initializers only in implementation signatures
function foo(x = 1) { }
var f = function foo(x = 1) { }
var f2 = (x: number, y = 1) => { }
foo(1);
foo();
f(1);
f();
f2(1);
f2(1, 2);
class C {
foo(x = 1) { }
}
var c: C;
c.foo();
c.foo(1);
// these are errors
interface I {
(x = 1);
~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
foo(x: number, y = 1);
~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
}
var i: I;
i();
i(1);
i.foo(1);
i.foo(1, 2);
// these are errors
var a: {
(x = 1);
~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
foo(x = 1);
~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
}
a();
a(1);
a.foo();
a.foo(1);
var b = {
foo(x = 1) { },
a: function foo(x: number, y = 1) { },
b: (x = 1) => { }
}
b.foo();
b.foo(1);
b.a(1);
b.a(1, 2);
b.b();
b.b(1);
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