13 lines
183 B
TypeScript
13 lines
183 B
TypeScript
class A { foo(): number { return 1; } }
|
|
class C implements A {} // error
|
|
|
|
class C2 extends A {
|
|
foo() {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
var c: C;
|
|
var c2: C2;
|
|
c = c2;
|
|
c2 = c; |