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|
use annotate_snippets::{
display_list::{DisplayList, FormatOptions},
snippet::{Annotation, AnnotationType, Slice, Snippet, SourceAnnotation},
};
fn main() {
let snippet = Snippet {
slices: vec![Slice {
source: r#") -> Option<String> {
for ann in annotations {
match (ann.range.0, ann.range.1) {
(None, None) => continue,
(Some(start), Some(end)) if start > end_index => continue,
(Some(start), Some(end)) if start >= start_index => {
let label = if let Some(ref label) = ann.label {
format!(" {}", label)
} else {
String::from("")
};
return Some(format!(
"{}{}{}",
" ".repeat(start - start_index),
"^".repeat(end - start),
label
));
}
_ => continue,
}
}"#,
line_start: 51,
origin: Some("src/format.rs"),
fold: false,
annotations: vec![
SourceAnnotation {
label: "expected `Option<String>` because of return type",
annotation_type: AnnotationType::Warning,
range: (5, 19),
},
SourceAnnotation {
label: "expected enum `std::option::Option`",
annotation_type: AnnotationType::Error,
range: (26, 724),
},
],
}],
title: Some(Annotation {
label: Some("mismatched types"),
id: Some("E0308"),
annotation_type: AnnotationType::Error,
}),
footer: vec![],
opt: FormatOptions {
color: true,
..Default::default()
},
};
let dl = DisplayList::from(snippet);
println!("{}", dl);
}
|
