Merge #170

170: Ensure "Untagged tuple-like enum variants not deserializing correctly……" is fixed r=torkleyy a=torkleyy

Fixes #117

cc @ebkalderon @vessd 

Co-authored-by: Thomas Schaller <[email protected]>

Author: bors[bot]

tests/117_untagged_tuple_variant.rs

@@ -0,0 +1,59 @@
+use std::borrow::Cow;
+
+use ron::{de::from_str, ser::to_string};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Deserialize, Eq, PartialEq, Serialize)]
+pub struct BuildSystem<'m> {
+    version: Cow<'m, str>,
+    flags: Vec<Flag<'m>>,
+}
+
+#[derive(Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[serde(untagged)]
+pub enum Flag<'m> {
+    Value(Cow<'m, str>),
+    If(Cow<'m, str>, Vec<Cow<'m, str>>),
+}
+
+#[test]
+fn test_ebkalderon_case() {
+    let file = r#"BuildSystem(
+    version: "1.0.0",
+    flags: [
+        "--enable-thing",
+        "--enable-other-thing",
+        If("some-conditional", ["--enable-third-thing"]),
+    ]
+)
+"#;
+
+    assert_eq!(
+        from_str::<BuildSystem>(file).unwrap(),
+        BuildSystem {
+            version: "1.0.0".into(),
+            flags: vec![
+                Flag::Value("--enable-thing".into()),
+                Flag::Value("--enable-other-thing".into()),
+                Flag::If(
+                    "some-conditional".into(),
+                    vec!["--enable-third-thing".into()]
+                )
+            ]
+        },
+    );
+}
+
+#[derive(Debug, Clone, Deserialize, PartialEq, Serialize)]
+#[serde(untagged)]
+enum Foo {
+    Bar(usize),
+}
+
+#[test]
+fn test_vessd_case() {
+    let foo_vec = vec![Foo::Bar(0); 5];
+    let foo_str = to_string(&foo_vec).unwrap();
+    assert_eq!(foo_str.as_str(), "[0,0,0,0,0,]");
+    assert_eq!(from_str::<Vec<Foo>>(&foo_str).unwrap(), foo_vec);
+}