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cpeterso
on May 16, 2015
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Error handling in Rust
The Icon programming language (from 1977) has something like this. Functions have an implicit "success" or "failure" return value in addition to regular return values. The success/failure status can be used in control flow or bubbled up the stack.
https://en.wikipedia.org/wiki/Icon_%28programming_language%2...
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https://en.wikipedia.org/wiki/Icon_%28programming_language%2...