Merge pull request #79 from Aaron1011/fix/type-group

Handle nested `syn::Type:::Group`

yaserde/tests/default.rs

@@ -110,3 +110,32 @@ fn default_attribute_string() {
   serialize_and_validate!(model, content);
   deserialize_and_validate!(content, model, XmlStruct);
 }
+
+#[test]
+fn module_inclusion() {
+  mod module {
+    use super::*;
+
+    #[derive(Debug, Default, PartialEq, YaDeserialize, YaSerialize)]
+    #[yaserde(rename = "module")]
+    pub struct Module {
+      #[yaserde(attribute)]
+      pub color: String,
+    }
+  }
+
+  #[derive(Debug, PartialEq, YaDeserialize, YaSerialize)]
+  #[yaserde(rename = "base")]
+  pub struct XmlStruct {
+    background: module::Module,
+  }
+
+  let content = r#"<base><background color="blue" /></base>"#;
+  let model = XmlStruct {
+    background: module::Module {
+      color: "blue".to_string(),
+    },
+  };
+  serialize_and_validate!(model, content);
+  deserialize_and_validate!(content, model, XmlStruct);
+}

yaserde_derive/src/common/field.rs

@@ -225,7 +225,11 @@ impl From<&syn::Path> for Field {
 
 impl From<&syn::Field> for Field {
   fn from(field: &syn::Field) -> Self {
-    match field.ty {
+    let mut ty = &field.ty;
+    while let syn::Type::Group(g) = ty {
+      ty = &g.elem;
+    }
+    match ty {
       Path(ref path) => Field::from(&path.path),
       _ => panic!("unable to match {:?}", field.ty),
     }