1 files changed, 15 insertions, 9 deletions
diff --git a/src/package/dependency/build.rs b/src/package/dependency/build.rs
index 4fb9f74..78d3fad 100644
--- a/src/package/dependency/build.rs
+++ b/src/package/dependency/build.rs
@@ -19,24 +19,30 @@ use crate::package::PackageVersionConstraint;
 
 /// A dependency that is packaged and is only required during build time
 #[derive(Serialize, Deserialize, Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
-#[serde(transparent)]
-pub struct BuildDependency(String);
+#[serde(untagged)]
+pub enum BuildDependency {
+    Simple(String),
+}
 
 impl AsRef<str> for BuildDependency {
     fn as_ref(&self) -> &str {
-        self.0.as_ref()
+        match self {
+            BuildDependency::Simple(name) => name,
+        }
     }
 }
 
 impl StringEqual for BuildDependency {
     fn str_equal(&self, s: &str) -> bool {
-        self.0 == s
+        match self {
+            BuildDependency::Simple(name) => name == s,
+        }
     }
 }
 
 impl ParseDependency for BuildDependency {
     fn parse_as_name_and_version(&self) -> Result<(PackageName, PackageVersionConstraint)> {
-        crate::package::dependency::parse_package_dependency_string_into_name_and_version(&self.0)
+        crate::package::dependency::parse_package_dependency_string_into_name_and_version(self.as_ref())
     }
 }
 
@@ -52,10 +58,10 @@ mod tests {
 
     #[test]
     fn test_parse_dependency() {
-        let dependency_str = r#"setting = "foo""#;
-        let d: TestSetting = toml::from_str(dependency_str).unwrap();
-
-        assert_eq!(d.setting.0, "foo");
+        let s: TestSetting = toml::from_str(r#"setting = "foo""#).expect("Parsing TestSetting failed");
+        match s.setting {
+            BuildDependency::Simple(name) => assert_eq!(name, "foo", "Expected 'foo', got {}", name),
+        }
     }
 }