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Move to final location; set tracking issue number.

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Scott McMurray 2021-04-17 11:44:55 -07:00
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commit ab425079ce
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text/0000-try-trait-v2.md → text/3058-try-trait-v2.md
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- Feature Name: try_trait_v2
- Start Date: 2020-12-12
- RFC PR: [rust-lang/rfcs#3058](https://github.com/rust-lang/rfcs/pull/3058)
- Rust Issue: [rust-lang/rust#0000](https://github.com/rust-lang/rust/issues/0000)
- Rust Issue: [rust-lang/rust#84277](https://github.com/rust-lang/rust/issues/84277)
# Summary
[summary]: #summary
@ -243,7 +243,7 @@ impl<T, E: From<FancyError>> FromResidual<ResultCodeResidual> for Result<T, E> {
## Using these traits in generic code
`Iterator::try_fold` has been stable to call (but not to implement) for a while now. To illustrate the flow through the traits in this RFC, lets implement our own version.
`Iterator::try_fold` has been stable to call (but not to implement) for a while now. To illustrate the flow through the traits in this RFC, let's implement our own version.
As a reminder, an infallible version of a fold looks something like this:
```rust