Nobody wants the long version of finding out if a variable is set.

So switched to the short version with 'orelse'. ;)
pull/94/head
Chris Boesch 2 months ago
parent dfdaf03d99
commit 67f87a76c2
No known key found for this signature in database
GPG Key ID: 8712DF4D3E364668

@ -51,8 +51,6 @@ fn visitElephants(first_elephant: *Elephant) void {
// We should stop once we encounter a tail that
// does NOT point to another element. What can
// we put here to make that happen?
if (e.tail == null) ???;
e = e.tail.?;
e = e.tail ???
}
}

@ -1,5 +1,5 @@
--- exercises/046_optionals2.zig 2023-10-03 22:15:22.122241138 +0200
+++ answers/046_optionals2.zig 2023-10-05 20:04:07.049433424 +0200
--- exercises/046_optionals2.zig 2024-05-10 23:11:25.796632478 +0200
+++ answers/046_optionals2.zig 2024-05-10 23:10:16.115335668 +0200
@@ -21,7 +21,7 @@
const Elephant = struct {
@ -9,12 +9,11 @@
visited: bool = false,
};
@@ -51,7 +51,7 @@
@@ -51,6 +51,6 @@
// We should stop once we encounter a tail that
// does NOT point to another element. What can
// we put here to make that happen?
- if (e.tail == null) ???;
+ if (e.tail == null) break;
e = e.tail.?;
- e = e.tail ???
+ e = e.tail orelse break;
}
}

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