TypeScript　ジェネリクス

‘use strict’;

{
function printNumberTwice(num: number): void {
console.log(num);
console.log(num);
}

function printStringTwice(str: string): void {
console.log(str);
console.log(str);
}

function printTwice(value: T): void{
console.log(value);
console.log(value);
}

printTwice(10);
printTwice(‘OK’);
}