update

src/objects/emphasis.rs

@@ -1,7 +1,8 @@
 pub struct Emphasis;
 
 impl Emphasis {
-    pub fn parse(src: &str, marker: u8) -> Option<(&'_ str, usize)> {
+    // TODO: return usize instead of Option<usize>
+    pub fn parse(src: &str, marker: u8) -> Option<usize> {
         expect!(src, 1, |c: u8| !c.is_ascii_whitespace());
 
         let mut lines = 0;
@@ -23,24 +24,19 @@ impl Emphasis {
                 || ch == b'!'
                 || ch == b'?'
                 || ch == b'\''
+                || ch == b'\n'
                 || ch == b')'
                 || ch == b'}');
         }
 
-        Some((&src[1..end], end + 1))
+        Some(end - 1)
     }
 }
 
 #[test]
 fn parse() {
-    assert_eq!(
-        Emphasis::parse("*bold*", b'*').unwrap(),
-        ("bold", "*bold*".len())
-    );
-    assert_eq!(
-        Emphasis::parse("*bo\nld*", b'*').unwrap(),
-        ("bo\nld", "*bo\nld*".len())
-    );
+    assert_eq!(Emphasis::parse("*bold*", b'*').unwrap(), "bold".len());
+    assert_eq!(Emphasis::parse("*bo\nld*", b'*').unwrap(), "bo\nld".len());
     assert!(Emphasis::parse("*bold*a", b'*').is_none());
     assert!(Emphasis::parse("*bold*", b'/').is_none());
     assert!(Emphasis::parse("*bold *", b'*').is_none());