//// [staticMemberAssignsToConstructorFunctionMembers.ts] class C { static foo() { C.foo = () => { } } static bar(x: number): number { C.bar = () => { } // error C.bar = (x) => x; // ok C.bar = (x: number) => 1; // ok return 1; } } //// [staticMemberAssignsToConstructorFunctionMembers.js] var C = (function () { function C() { } C.foo = function () { C.foo = function () { }; }; C.bar = function (x) { C.bar = function () { }; // error C.bar = function (x) { return x; }; // ok C.bar = function (x) { return 1; }; // ok return 1; }; return C; })();