31 lines
387 B
Plaintext
31 lines
387 B
Plaintext
type t1 {
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int x;
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int y;
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}
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type t2 <: t1 {
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int add();
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}
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class c1() : t1 implements t1 {
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init int x;
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init int y;
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export t1 : x, y;
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}
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subclass c2() : t2 extends c1 at t1 implements t2 with int x, int y {
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init int x;
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init int y;
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super(x = x, y = y);
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int add() { return x + y; }
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export t2: x, y, add;
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}
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int main() {
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new c2:t2(x = 4, y = 6).add();
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}
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