prefix hex representation of binary values with "0x"

Author: saghm

src/bson.rs

@@ -90,7 +90,7 @@ impl Display for Bson {
 
                 format!("Timestamp({}, {})", time, inc)
             }
-            &Bson::Binary(t, ref vec) => format!("BinData({}, {})", u8::from(t), vec.to_hex()),
+            &Bson::Binary(t, ref vec) => format!("BinData({}, 0x{})", u8::from(t), vec.to_hex()),
             &Bson::ObjectId(ref id) => {
                 let mut vec = vec![];
 

tests/lib.rs

@@ -45,7 +45,7 @@ fn test_format() {
         "date" => (Bson::UtcDatetime(date))
     };
 
-    let expected = format!("{{ float: 2.4, string: \"hello\", array: [\"testing\", 1], doc: {{ fish: \"in\", a: \"barrel\", !: 1 }}, bool: true, null: null, regexp: /s[ao]d/i, code: function(x) {{ return x._id; }}, i32: 12, i64: -55, timestamp: Timestamp(0, 229999444), binary: BinData(5, {}), _id: ObjectId(\"{}\"), date: Date(\"{}\") }}", "thingies".as_bytes().to_hex(), id_string, date);
+    let expected = format!("{{ float: 2.4, string: \"hello\", array: [\"testing\", 1], doc: {{ fish: \"in\", a: \"barrel\", !: 1 }}, bool: true, null: null, regexp: /s[ao]d/i, code: function(x) {{ return x._id; }}, i32: 12, i64: -55, timestamp: Timestamp(0, 229999444), binary: BinData(5, 0x{}), _id: ObjectId(\"{}\"), date: Date(\"{}\") }}", "thingies".as_bytes().to_hex(), id_string, date);
 
     assert_eq!(expected, format!("{}", doc));
 }