Use PathBufs in CrateSource paths

Author: Xanewok

src/lib.rs

@@ -107,14 +107,13 @@ pub struct GlobalCrateId {
 /// must be non-None.
 ///
 /// Mimicks CrateSource from src/librustc/middle/cstore.rs (only paths)
-/// TODO: Uses String to be easily debuggable, change to PathBuf
 #[cfg_attr(feature = "serialize-serde", derive(Serialize, Deserialize))]
 #[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))]
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct CrateSource {
-    pub dylib: Option<String>,
-    pub rlib: Option<String>,
-    pub rmeta: Option<String>,
+    pub dylib: Option<PathBuf>,
+    pub rlib: Option<PathBuf>,
+    pub rmeta: Option<PathBuf>,
 }
 
 #[cfg_attr(feature = "serialize-serde", derive(Serialize, Deserialize))]