17 lines
267 B
Text
17 lines
267 B
Text
struct T { int x }
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struct S { int x; int y }
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int sum(T? t) {
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if?(S s = t) {
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return s.y;
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} else {
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return 0;
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}
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}
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int program (int argc, string[] argv) {
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var x = 0;
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x = x + sum(S null);
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x = x + sum(new S{x=4; y=5});
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return x;
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}
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