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Tom
2472caa183
The exercise no longer needed any modifications to pass due to advancements in Zig. This new exercise attempts to teach about @compileError, @compileLog, and some comptime debugging. It tries to help prepare users for the "super bonus challenge" in 075_quiz8.
36 lines
1.4 KiB
Diff
36 lines
1.4 KiB
Diff
--- exercises/074_comptime9.zig 2026-04-11 21:35:08.132459373 -0700
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+++ answers/074_comptime9.zig 2026-04-12 07:13:37.971010827 -0700
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@@ -27,12 +27,12 @@
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start, // Ready to start a new animal.
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l, // This means we've seen an "l", so if we see an "m", we know it's a Llama.
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};
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- var state = State.start;
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+ comptime var state = State.start;
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// We return an array of animals representing the creature. (This is why we
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// really needed the 'count' parameter. Arrays need a size.)
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var animals: [count]Animal = .{undefined} ** count;
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- var next_animal: usize = 0;
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+ comptime var next_animal: usize = 0;
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inline for (fmt) |char| {
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@@ -56,7 +56,7 @@
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//
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// What do you think happens with Gators? Do they join with
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// other animals or is this an error?
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- 'g' => ???,
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+ 'g' => @compileError("Gators refuse to join with other animals."),
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else => @compileError("No animal starts with '" ++ char ++ "'!"),
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},
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@@ -68,7 +68,7 @@
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next_animal += 1;
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// Something is missing here. After we finish a Llama, we
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// need to be ready to _start_ over with a new animal...
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- ???
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+ state = .start;
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},
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else => @compileError("Only llamas start with 'l'!"),
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