Question du test Typescript - Tour d'horizon

function comparer(a: any, b: any, compareFn: (x: any, y: any) => number): any {
 return compareFn(a, b) > 0 ? a : b;
}

function comparer<T>(a, b, compareFn: (x: T, y: T) => number) {
 return compareFn(a, b) > 0 ? a : b;
}

function comparer<T>(a: T, b: T, compareFn: (x: T, y: T) => number): T {
 return compareFn(a, b) > 0 ? a : b;
}

function comparer(a: T, b: T, compareFn: (x: T, y: T) => number): T {
 return compareFn(a, b) > 0 ? a : b;
}