fix!: Rename Level::title/Level::message to Level::header

This doesn't completely take care of  rust-lang#118 because of rust-lang#196

Author: epage

benches/bench.rs

@@ -24,7 +24,7 @@ fn simple() -> String {
             _ => continue,
         }
     }"#;
-    let message = Level::ERROR.message("mismatched types").id("E0308").group(
+    let message = Level::ERROR.header("mismatched types").id("E0308").group(
         Group::new().element(
             Snippet::source(source)
                 .line_start(51)
@@ -69,7 +69,7 @@ fn fold(bencher: divan::Bencher<'_, '_>, context: usize) {
             (input, span)
         })
         .bench_values(|(input, span)| {
-            let message = Level::ERROR.message("mismatched types").id("E0308").group(
+            let message = Level::ERROR.header("mismatched types").id("E0308").group(
                 Group::new().element(
                     Snippet::source(&input)
                         .fold(true)

examples/custom_error.rs

@@ -17,7 +17,7 @@ pub static C: u32 = 0 - 1;
 "#;
     let message = Level::ERROR
         .text(Some("error: internal compiler error"))
-        .message("could not evaluate static initializer")
+        .header("could not evaluate static initializer")
         .id("E0080")
         .group(
             Group::new().element(

examples/custom_level.rs

@@ -30,7 +30,7 @@ fn main() {
 }
 "#;
     let message = Level::ERROR
-        .message("`break` with value from a `while` loop")
+        .header("`break` with value from a `while` loop")
         .id("E0571")
         .group(
             Group::new().element(

examples/expected_type.rs

@@ -6,7 +6,7 @@ fn main() {
                     ,
                 range: <22, 25>,"#;
     let message =
-        Level::ERROR.message("expected type, found `22`").group(
+        Level::ERROR.header("expected type, found `22`").group(
             Group::new().element(
                 Snippet::source(source)
                     .line_start(26)

examples/footer.rs

@@ -2,7 +2,7 @@ use annotate_snippets::{AnnotationKind, Group, Level, Renderer, Snippet};
 
 fn main() {
     let message = Level::ERROR
-        .message("mismatched types")
+        .header("mismatched types")
         .id("E0308")
         .group(
             Group::new().element(

examples/format.rs

@@ -23,7 +23,7 @@ fn main() {
             _ => continue,
         }
     }"#;
-    let message = Level::ERROR.message("mismatched types").id("E0308").group(
+    let message = Level::ERROR.header("mismatched types").id("E0308").group(
         Group::new().element(
             Snippet::source(source)
                 .line_start(51)

examples/highlight_source.rs

@@ -10,7 +10,7 @@ const CON: Vec<i32> = vec![1, 2, 3]; //~ ERROR E0010
 fn main() {}
 "#;
     let message = Level::ERROR
-        .message("allocations are not allowed in constants")
+        .header("allocations are not allowed in constants")
         .id("E0010")
         .group(
             Group::new()

examples/highlight_title.rs

@@ -43,7 +43,7 @@ fn main() {
         magenta.render_reset()
     );
 
-    let message = Level::ERROR.message("mismatched types").id("E0308").group(
+    let message = Level::ERROR.header("mismatched types").id("E0308").group(
         Group::new()
             .element(
                 Snippet::source(source)

examples/multislice.rs

@@ -1,7 +1,7 @@
 use annotate_snippets::{Annotation, Group, Level, Renderer, Snippet};
 
 fn main() {
-    let message = Level::ERROR.message("mismatched types").group(
+    let message = Level::ERROR.header("mismatched types").group(
         Group::new()
             .element(
                 Snippet::<Annotation<'_>>::source("Foo")

src/level.rs

@@ -56,12 +56,12 @@ impl<'a> Level<'a> {
     /// Text passed to this function is considered "untrusted input", as such
     /// all text is passed through a normalization function. Pre-styled text is
     /// not allowed to be passed to this function.
-    pub fn message(self, title: &'a str) -> Message<'a> {
+    pub fn header(self, header: &'a str) -> Message<'a> {
         Message {
             id: None,
             groups: vec![Group::new().element(Element::Title(Title {
                 level: self,
-                title,
+                title: header,
                 primary: true,
             }))],
         }

src/renderer/mod.rs

@@ -19,7 +19,7 @@
 //! }
 //! "#;
 //! Level::ERROR
-//!     .message("unresolved import `baz::zed`")
+//!     .header("unresolved import `baz::zed`")
 //!     .id("E0432")
 //!     .group(
 //!         Group::new().element(

tests/fixtures/color/ann_eof.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = "expected `.`, `=`"
+header = "expected `.`, `=`"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/ann_insertion.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = "expected `.`, `=`"
+header = "expected `.`, `=`"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/ann_multiline.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0027"
-title = "pattern does not mention fields `lineno`, `content`"
+header = "pattern does not mention fields `lineno`, `content`"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/ann_multiline2.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E####"
-title = "spacing error found"
+header = "spacing error found"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/ann_removed_nl.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = "expected `.`, `=`"
+header = "expected `.`, `=`"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/ensure-emoji-highlight-width.toml

@@ -1,5 +1,5 @@
 [message]
-title = "invalid character ` ` in package name: `haha this isn't a valid name 🐛`, characters must be Unicode XID characters (numbers, `-`, `_`, or most letters)"
+header = "invalid character ` ` in package name: `haha this isn't a valid name 🐛`, characters must be Unicode XID characters (numbers, `-`, `_`, or most letters)"
 level = "Error"
 
 

tests/fixtures/color/fold_ann_multiline.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0308"
-title = "mismatched types"
+header = "mismatched types"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/fold_bad_origin_line.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = ""
+header = ""
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/fold_leading.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0308"
-title = "invalid type: integer `20`, expected a bool"
+header = "invalid type: integer `20`, expected a bool"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/fold_trailing.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0308"
-title = "invalid type: integer `20`, expected a lints table"
+header = "invalid type: integer `20`, expected a lints table"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/issue_9.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = "expected one of `.`, `;`, `?`, or an operator, found `for`"
+header = "expected one of `.`, `;`, `?`, or an operator, found `for`"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/multiple_annotations.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = ""
+header = ""
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/simple.toml

@@ -1,6 +1,6 @@
 [message]
 level = "Error"
-title = "expected one of `.`, `;`, `?`, or an operator, found `for`"
+header = "expected one of `.`, `;`, `?`, or an operator, found `for`"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/strip_line.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0308"
-title = "mismatched types"
+header = "mismatched types"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/strip_line_char.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0308"
-title = "mismatched types"
+header = "mismatched types"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/color/strip_line_non_ws.toml

@@ -1,7 +1,7 @@
 [message]
 level = "Error"
 id = "E0308"
-title = "mismatched types"
+header = "mismatched types"
 
 [[message.sections]]
 type = "Cause"

tests/fixtures/deserialize.rs

@@ -16,7 +16,7 @@ pub(crate) struct Fixture {
 #[derive(Deserialize)]
 pub struct MessageDef {
     pub level: LevelDef,
-    pub title: String,
+    pub header: String,
     #[serde(default)]
     pub id: Option<String>,
     #[serde(default)]
@@ -27,11 +27,11 @@ impl<'a> From<&'a MessageDef> for Message<'a> {
     fn from(val: &'a MessageDef) -> Self {
         let MessageDef {
             level,
-            title,
+            header,
             id,
             sections,
         } = val;
-        let mut message = Level::from(level).message(title);
+        let mut message = Level::from(level).header(header);
         if let Some(id) = id {
             message = message.id(id);
         }