Jake Goulding comments

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                                            Jake Goulding

Extend format_args implicit arguments to allow field access

> A very common thing I do is formatting `self.something` in custom Display implementations. Simply for that, this would be amazing. FWIW, in stable Rust I destructure `self`. This frequently...

Extend format_args implicit arguments to allow field access

> it'd be nice to support simple method calls I do not wish to prevent this RFC from moving forward, but I'd also like this as a next step. A...

Enabling `unstable-provider-api` breaks build of dependencies that does not declare the crate attribute

Oof. This is super annoying! > fix it, by not referencing the nightly feature in generated code, but only in snafu's library code itself Yeah, that was my first thought...

Add filename information to `std::io::Error` to improve `std::io` error messages

> What does the Rust community think about this pattern of giving context inside functions compared to outside? My default practice (and generally what I suggest for [SNAFU](http://docs.rs/snafu/)) is that...

Confusing error message when attempting to use a context selector without a context

Hmm. I'm honestly not very sure what we could do to improve this case. The `ensure` macro basically expands to `$selector.fail()` and thus you get the error seen. It's *possible*...