19 lines
555 B
Diff
19 lines
555 B
Diff
--- exercises/046_optionals2.zig 2024-06-23 19:43:16
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+++ answers/046_optionals2.zig 2024-06-23 19:42:46
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@@ -22,7 +22,7 @@
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const Elephant = struct {
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letter: u8,
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- tail: *Elephant = null, // Hmm... tail needs something...
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+ tail: ?*Elephant = null, // Hmm... tail needs something...
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visited: bool = false,
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};
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@@ -66,6 +66,6 @@
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// HINT: We want something similar to what `.?` does,
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// but instead of ending the program, we want to exit the loop...
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- e = e.tail ???
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+ e = e.tail orelse break;
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}
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}
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