feat: add support for named enum variant fields (#15)

tests/enum.rs

@@ -0,0 +1,20 @@
+use serde::Deserialize;
+use serde_inline_default::serde_inline_default;
+use serde_json::json;
+
+#[test]
+fn enum_default() {
+    #[serde_inline_default]
+    #[derive(Debug, PartialEq, Eq, Deserialize)]
+    #[serde(untagged)]
+    enum Test {
+        VariantWithFields {
+            #[serde_inline_default(255)]
+            test_int: u8,
+        },
+    }
+
+    let enum_test: Test = serde_json::from_value(json!({"VariantWithFields": {}})).unwrap();
+
+    assert_eq!(enum_test, Test::VariantWithFields { test_int: 255 })
+}

tests/struct.rs

@@ -1,10 +1,11 @@
+use std::borrow::Cow;
+
 use serde::Deserialize;
 use serde_inline_default::serde_inline_default;
 use serde_json::json;
-use std::borrow::Cow;
 
 #[test]
-fn test_serde_inline_default() {
+fn struct_normal() {
     fn native_default() -> u32 {
         69
     }
@@ -31,7 +32,7 @@ fn test_serde_inline_default() {
 }
 
 #[test]
-fn test_lifetime() {
+fn lifetime() {
     #[serde_inline_default]
     #[derive(Deserialize)]
     struct LifetimeTest<'a> {
@@ -46,7 +47,7 @@ fn test_lifetime() {
 
 #[test]
 #[allow(dead_code)]
-fn test_conditional_compilation() {
+fn conditional_compilation() {
     #[cfg(debug_assertions)]
     #[derive(Deserialize)]
     struct TypeA(u8);