Initial diagnostic sketch #1
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examples/rustc output as of 2973c1d: https://gist.github.com/CAD97/782504aa225f865c5b0ad3efcd54f08f |
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cc @zbraniecki I'm interested in helping out with wycats/language-reporting#6 / rust-lang/annotate-snippets-rs#11 / rust-lang/annotate-snippets-rs#12 / the merge of [codespan/language-reporting/annotate-snippets], I just got excited and sketched out this LSP-compatible diagnostics API from comparing language-reporting's and annotate-snippets' approaches. |
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I guess I should cc @wycats and @brendanzab here as well. |
error[E0308]: mismatched types
rustc_source.txt:51:1
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51 | ) -> Option<String> {
| -------------- expected `Option<String>` because of return type
52 | / for ann in annotations {
53 | \ match (ann.range.0, ann.range.1) {
| \-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- expected enum `std::option::Option`, found ()
54 | (None, None) => continue,
55 | (Some(start), Some(end)) if start > end_index => continue,
56 | (Some(start), Some(end)) if start >= start_index => {
57 | let label = if let Some(ref label) = ann.label {
58 | format!(" {}", label)
59 | } else {
60 | String::from("")
61 | };
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