Use deserializer.visit_string for PathBuf

serde/src/de/impls.rs

@@ -762,7 +762,7 @@ impl Deserialize for path::PathBuf {
     fn deserialize<D>(deserializer: &mut D) -> Result<path::PathBuf, D::Error>
         where D: Deserializer,
     {
-        deserializer.visit(PathBufVisitor)
+        deserializer.visit_string(PathBufVisitor)
     }
 }
 

serde_tests/tests/test_de.rs

@@ -1,4 +1,5 @@
 use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
+use std::path::PathBuf;
 
 use num::FromPrimitive;
 use num::bigint::{BigInt, BigUint};
@@ -589,4 +590,9 @@ declare_tests! {
             Token::SeqEnd,
         ],
     }
+    test_path_buf {
+        PathBuf::from("/usr/local/lib") => vec![
+            Token::String("/usr/local/lib".to_owned()),
+        ],
+    }
 }

serde_tests/tests/test_ser.rs

@@ -1,4 +1,5 @@
 use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
 
 use num::FromPrimitive;
 use num::bigint::{BigInt, BigUint};
@@ -293,4 +294,14 @@ declare_ser_tests! {
             Token::SeqEnd,
         ],
     }
+    test_path {
+        Path::new("/usr/local/lib") => &[
+            Token::Str("/usr/local/lib"),
+        ],
+    }
+    test_path_buf {
+        PathBuf::from("/usr/local/lib") => &[
+            Token::Str("/usr/local/lib"),
+        ],
+    }
 }