19 lines
320 B
D
19 lines
320 B
D
enum IsEdible(T) = is(typeof(T.eat));
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struct FoodBox(T) if (IsEdible!T) {
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T[] food;
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alias food this;
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}
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struct Carrot {
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void eat() {}
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}
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static struct Car {}
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void main() {
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FoodBox!Carrot carrotsBox; // OK
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carrotsBox ~= Carrot(); // Adds a carrot
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//FoodBox!Car carsBox; // Not allowed
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}
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