refactor: remove type info from Display for newtypes. (#349)

Author: molpopgen

src/_macros.rs

@@ -325,7 +325,7 @@ macro_rules! impl_f64_newtypes {
     ($type: ty) => {
         impl std::fmt::Display for $type {
             fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-                write!(f, "{}({})", stringify!($type), self.0)
+                write!(f, "{}", self.0)
             }
         }
 

src/lib.rs

@@ -525,17 +525,17 @@ mod tests {
         let mut output = String::new();
         std::fmt::write(&mut output, format_args!("{}", x))
             .expect("Error occurred while trying to write in String");
-        assert_eq!(output, "Position(1)".to_string());
+        assert_eq!(output, "1".to_string());
         let x = Time::from(1.0);
         let mut output = String::new();
         std::fmt::write(&mut output, format_args!("{}", x))
             .expect("Error occurred while trying to write in String");
-        assert_eq!(output, "Time(1)".to_string());
+        assert_eq!(output, "1".to_string());
         let x = Location::from(1.0);
         let mut output = String::new();
         std::fmt::write(&mut output, format_args!("{}", x))
             .expect("Error occurred while trying to write in String");
-        assert_eq!(output, "Location(1)".to_string());
+        assert_eq!(output, "1".to_string());
     }
 }