DisplayList is an intermittent structure which converts the Snippet structure
into a list of lines that resemble the final output.
use annotate_snippets::snippet::{Snippet, Slice, Annotation, TitleAnnotation, AnnotationType};
use annotate_snippets::display_list::{DisplayList, DisplayLine, DisplayAnnotationType};
let snippet = Snippet {
slice: Slice {
source: "id: Option<>,\nlabel: Option<String>".to_string(),
line_start: 145,
origin: Some("src/display_list.rs".to_string())
},
title: Some(TitleAnnotation {
id: Some("E0061".to_string()),
label: Some("this function takes 1 parameter but 0 parameters were supplied".to_string()),
annotation_type: AnnotationType::Error,
}),
main_annotation_pos: Some(0),
fold: Some(false),
annotations: vec![
Annotation {
label: Some("expected 1 parameter".to_string()),
annotation_type: AnnotationType::Error,
range: Some((4, 12))
}
]
};
assert_eq!(DisplayList::from(snippet), DisplayList {
body: vec![
DisplayLine::Raw("error[E0061]: this function takes 1 parameter but 0 parameters were supplied".to_string()),
DisplayLine::Raw(" --> src/display_list.rs:52:1".to_string()),
DisplayLine::EmptySource,
DisplayLine::Source {
lineno: 145,
inline_marks: vec![],
content: "id: Option<>,".to_string()
},
DisplayLine::Annotation {
label: "expected 1 parameter".to_string(),
range: (4, 12),
inline_marks: vec![],
annotation_type: DisplayAnnotationType::Error,
},
DisplayLine::Source {
lineno: 146,
inline_marks: vec![],
content: "label: Option<String>".to_string()
},
DisplayLine::EmptySource
]
});