On 04/15/2011 11:20 PM, Patrick Walton wrote:
This area seems promising enough that I was wondering if there was interest in something like this for Rust. There's no harm in having the programmer explicitly be able to turn off the checking at the block or item level; some algorithms, such as hashing algorithms, rely on the overflow semantics, after all. But it seems in the spirit of Rust (at the risk of relying on a nebulous term) to be as safe as possible by default, and so I'd like to propose exploring opt-out overflow checking for integers at some point in the future.
To be clear: I'm not proposing that we promote to bignums or anything like that. Most likely we'd just fail on integer overflow by default.
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