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Added ex. 46 optionals 2 - elephants!

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This commit is contained in:
Dave Gauer
2021-02-16 20:21:32 -05:00
parent efdcfc70d4
commit f27601b558
4 changed files with 64 additions and 1 deletions
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patches/patches/46_optionals2.patch Normal file
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12c12
< tail: *Elephant = undefined, // <---- make this optional!
---
> tail: ?*Elephant = undefined,
39,42c39
< // 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;