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Checked methods on integers should return Result #32694

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Zoxc opened this Issue Apr 3, 2016 · 2 comments

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Zoxc commented Apr 3, 2016

The checked_* methods in primitive integers should return Result so they are usable with ?.

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@sfackler sfackler added the rust-2-breakage-wishlist label Apr 3, 2016

@sfackler sfackler closed this Apr 3, 2016

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bstrie commented Apr 3, 2016

As noted on IRC, there has been some existing desire to make ? work with Option as well, which would achieve this without any breakage.
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Zoxc commented Apr 3, 2016

@bstrie That wouldn't make it possible to distinguish between different None error cases. Like integer overflow, or a value missing from a HashMap.
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