小编And*_*eev的帖子

有没有办法让变量可以只分配一次？像这样

interface IFACE{
 a: number;
 final b: number;
}

IFACEConstructor (a: number): IFACE {
 return {a: a, b: 1}
}

test = IFACEConstructor(2);
test.a = 5 //OK
test.b = 2 //Error