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The ? operator is tied to std::ops::Try, and std::convert::From. https://doc.rust-lang.org/std/ops/trait.Try.html https://doc.rust-lang.org/std/ops/trait.Try.ht
by Falell 7y ago
The ? operator is tied to std::ops::Try, and std::convert::From. https://doc.rust-lang.org/std/ops/trait.Try.html https://doc.rust-lang.org/std/ops/trait.Try.html https://doc.rust-lang.org/std/convert/trait.From.html https://doc.rust-lang.org/std/convert/trait.From.html
- wyldfire 7y agoOh, hey, this was great (the link to the 'From' trait). "enum CliError" -- this example was crystal clear and answered a lot of my questions.