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oliverlundquist/type-safety.ts

Last active July 19, 2016 11:37
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Type Safety
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type-safety.ts
type Mixtype = String|Number;
class SomeClass<T extends Mixtype> {
somemethod(arg: T): T {
return arg;
}
}
var somevar = new SomeClass<Number>();
console.log(somevar.somemethod(123));
console.log(somevar.somemethod('hey')); // error
console.log(somevar.somemethod(true)); // error
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