support tagged enums inside tables

tests/data/enuminmap.vdf

@@ -0,0 +1,7 @@
+EnumInMap {
+  foo {
+    bar {
+      a 1
+    }
+  }
+}

tests/serde.rs

@@ -64,6 +64,16 @@ enum Expected {
         #[serde(rename = "$no_fullbright")]
         no_full_bright: bool,
     },
+    EnumInMap {
+        foo: EnumInMap,
+    },
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum EnumInMap {
+    Bar { a: bool },
+    Foo { a: bool },
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
@@ -194,6 +204,7 @@ struct GameList {
 #[test_case("tests/data/DialogConfigOverlay_1280x720.vdf")]
 #[test_case("tests/data/serde_array_type.vdf")]
 #[test_case("tests/data/game_text.vmt")]
+#[test_case("tests/data/enuminmap.vdf")]
 #[test_case("tests/errors/unmatched.vdf")]
 #[test_case("tests/errors/concrete.vmt")]
 #[test_case("tests/errors/novalue.vdf")]

tests/snapshots/serde__tests__data__enuminmap.vdf.snap

@@ -0,0 +1,9 @@
+---
+source: tests/serde.rs
+expression: result
+---
+EnumInMap(
+  foo: bar(
+    a: true,
+  ),
+)

tests/snapshots/serde__tests__errors__unmatched.vdf.snap

@@ -4,11 +4,11 @@ expression: out
 ---
 vmt_parser::unknown_variant
 
-  × Unknown variant "Resource" expected on of expected on of Types, LightmappedGeneric, Resource/specificPanel.res, UserConfigData, Sprite
+  × Unknown variant "Resource" expected on of expected on of Types, LightmappedGeneric, Resource/specificPanel.res, UserConfigData, Sprite, EnumInMap
    ╭─[1:1]
  1 │ "Resource"
    · ─────┬────
-   ·      ╰── expected on of Types, LightmappedGeneric, Resource/specificPanel.res, UserConfigData, Sprite
+   ·      ╰── expected on of Types, LightmappedGeneric, Resource/specificPanel.res, UserConfigData, Sprite, EnumInMap
  2 │ {
    ╰────