// | |______foo
// | baz
add_annotation_to_file(&mut output, file.clone(), ann.line_start, ann.as_start());
+ // 4 is the minimum vertical length of a multiline span when presented: two lines
+ // of code and two lines of underline. This is not true for the special case where
+ // the beginning doesn't have an underline, but the current logic seems to be
+ // working correctly.
let middle = min(ann.line_start + 4, ann.line_end);
for line in ann.line_start + 1..middle {
+ // Every `|` that joins the beginning of the span (`___^`) to the end (`|__^`).
add_annotation_to_file(&mut output, file.clone(), line, ann.as_line());
}
if middle < ann.line_end - 1 {