Change to improve `default_line_ending` api

3 files changed, 7 insertions, 9 deletions

diff --git a/src/compiler.rs b/src/compiler.rs
index db52837..0993987 100644
--- a/src/compiler.rs
+++ b/src/compiler.rs
@@ -247,10 +247,8 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String {
     // Figure out which line ending style we’ll use.
     let line_ending_default = if let Some(value) = line_ending_inferred {
         value
-    } else if let Some(value) = &options.default_line_ending {
-        value.clone()
     } else {
-        LineEnding::LineFeed
+        options.default_line_ending.clone()
     };
 
     let mut enter_map: Map = HashMap::new();
diff --git a/src/lib.rs b/src/lib.rs
index 224f8d0..196eb4e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,7 +20,7 @@ use crate::parser::parse;
 use crate::tokenizer::Code;
 
 /// Type of line endings in markdown.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Default, Clone, PartialEq)]
 pub enum LineEnding {
     /// Both a carriage return (`\r`) and a line feed (`\n`).
     ///
@@ -48,6 +48,7 @@ pub enum LineEnding {
     /// a␊
     /// b
     /// ```
+    #[default]
     LineFeed,
 }
 
@@ -349,15 +350,14 @@ pub struct Options {
     ///     micromark_with_options(
     ///         "> a",
     ///         &Options {
-    ///             default_line_ending: Some(LineEnding::CarriageReturnLineFeed),
+    ///             default_line_ending: LineEnding::CarriageReturnLineFeed,
     ///             ..Options::default()
     ///         }
     ///     ),
     ///     "<blockquote>\r\n<p>a</p>\r\n</blockquote>"
     /// );
     /// ```
-    // To do: use `default`? <https://doc.rust-lang.org/std/default/trait.Default.html#enums>
-    pub default_line_ending: Option<LineEnding>,
+    pub default_line_ending: LineEnding,
 
     /// Which constructs to enable and disable.
     /// The default is to follow `CommonMark`.
diff --git a/tests/misc_default_line_ending.rs b/tests/misc_default_line_ending.rs
index ceada62..547cae1 100644
--- a/tests/misc_default_line_ending.rs
+++ b/tests/misc_default_line_ending.rs
@@ -31,7 +31,7 @@ fn default_line_ending() {
         micromark_with_options(
             "> a",
             &Options {
-                default_line_ending: Some(LineEnding::CarriageReturn),
+                default_line_ending: LineEnding::CarriageReturn,
                 ..Options::default()
             }
         ),
@@ -43,7 +43,7 @@ fn default_line_ending() {
         micromark_with_options(
             "> a\n",
             &Options {
-                default_line_ending: Some(LineEnding::CarriageReturn),
+                default_line_ending: LineEnding::CarriageReturn,
                 ..Options::default()
             }
         ),