Align mark lines better

Author: Zibi Braniecki

examples/format.rs

@@ -30,15 +30,15 @@ fn main() {
     }"#.to_string(),
             line_start: 51,
             origin: Some("src/format.rs".to_string()),
-            fold: true,
+            fold: false,
             annotations: vec![
                 SourceAnnotation {
                     label: "expected `Option<String>` because of return type".to_string(),
                     annotation_type: AnnotationType::Warning,
                     range: (6, 20),
                 },
                 SourceAnnotation {
-                    label: "expected enum `std::option::Option".to_string(),
+                    label: "expected enum `std::option::Option`".to_string(),
                     annotation_type: AnnotationType::Error,
                     range: (23, 746),
                 },

src/format.rs

@@ -18,7 +18,7 @@ impl DisplayListFormatting for Formatter {
 
     fn format_inline_marks(inline_marks: &[DisplayMark], inline_marks_width: usize) -> String {
         format!(
-            "{:>width$}",
+            " {:>width$}",
             inline_marks
                 .iter()
                 .map(|mark| {
@@ -215,7 +215,7 @@ impl fmt::Display for DisplayList {
             DisplayLine::Source { inline_marks, .. } => {
                 let width = inline_marks.len();
                 if width > max {
-                    width + 1
+                    width
                 } else {
                     max
                 }

src/format_color.rs

@@ -23,7 +23,7 @@ impl DisplayListFormatting for Formatter {
 
     fn format_inline_marks(inline_marks: &[DisplayMark], inline_marks_width: usize) -> String {
         format!(
-            "{:>width$}",
+            " {:>width$}",
             inline_marks
                 .iter()
                 .map(|mark| {
@@ -273,7 +273,7 @@ impl fmt::Display for DisplayList {
             DisplayLine::Source { inline_marks, .. } => {
                 let width = inline_marks.len();
                 if width > max {
-                    width + 1
+                    width
                 } else {
                     max
                 }