9 lines
199 B
TypeScript
9 lines
199 B
TypeScript
class C {
|
|
constructor(public x?) { }
|
|
}
|
|
|
|
// x should be an optional property
|
|
var v: C = {}; // Should succeed
|
|
var v2: { x? }
|
|
v = v2; // Should succeed
|
|
var v3: { x } = new C; // Should fail
|