Add test for #456 and fix bitflags glob import (#457)

src/de/mod.rs

@@ -521,7 +521,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
         }
     }
 
-    fn deserialize_seq<V>(mut self, visitor: V) -> Result<V::Value>
+    fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value>
     where
         V: Visitor<'de>,
     {
@@ -543,7 +543,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
         }
     }
 
-    fn deserialize_tuple<V>(mut self, _len: usize, visitor: V) -> Result<V::Value>
+    fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
     where
         V: Visitor<'de>,
     {
@@ -585,7 +585,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
         })
     }
 
-    fn deserialize_map<V>(mut self, visitor: V) -> Result<V::Value>
+    fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
     where
         V: Visitor<'de>,
     {

tests/115_minimal_flattening.rs

@@ -322,3 +322,30 @@ AllOptional({
 
     assert_eq!(de, val);
 }
+
+#[derive(Clone, Debug, Default, Deserialize, PartialEq, Eq, Serialize)]
+#[serde(deny_unknown_fields)]
+pub struct AvailableCards {
+    pub left: u8,
+    pub right: u8,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
+struct MapProperties {
+    #[serde(flatten)]
+    cards: AvailableCards,
+}
+
+#[test]
+fn test_issue_456() {
+    let map_properties = MapProperties {
+        cards: AvailableCards {
+            ..Default::default()
+        },
+    };
+    let ron = ron::to_string(&map_properties).unwrap();
+
+    let de: MapProperties = ron::from_str(&ron).unwrap();
+
+    assert_eq!(map_properties, de);
+}

tests/152_bitflags.rs

@@ -1,4 +1,4 @@
-use bitflags::*;
+use bitflags::bitflags;
 use option_set::option_set;
 
 bitflags! {