Merge pull request #255 from kornelski/master

Support deserializing from other integer types

src/value.rs

@@ -423,6 +423,22 @@ impl<'de> de::Deserialize<'de> for Value {
                 Ok(Value::Integer(value))
             }
 
+            fn visit_u64<E: de::Error>(self, value: u64) -> Result<Value, E> {
+                if value <= i64::max_value() as u64 {
+                    Ok(Value::Integer(value as i64))
+                } else {
+                    Err(de::Error::custom("u64 value was too large"))
+                }
+            }
+
+            fn visit_u32<E>(self, value: u32) -> Result<Value, E> {
+                Ok(Value::Integer(value.into()))
+            }
+
+            fn visit_i32<E>(self, value: i32) -> Result<Value, E> {
+                Ok(Value::Integer(value.into()))
+            }
+
             fn visit_f64<E>(self, value: f64) -> Result<Value, E> {
                 Ok(Value::Float(value))
             }

test-suite/tests/serde.rs

@@ -1,4 +1,5 @@
 extern crate serde;
+extern crate serde_json;
 extern crate toml;
 #[macro_use]
 extern crate serde_derive;
@@ -589,3 +590,15 @@ fn fixed_size_array() {
     assert_eq!(value, expected);
     assert_eq!(toml::to_string(&value).unwrap(), text);
 }
+
+#[test]
+fn json_interoperability() {
+    #[derive(Serialize, Deserialize)]
+    struct Foo {
+        any: toml::Value
+    }
+
+    let _foo: Foo = serde_json::from_str(r#"
+        {"any":1}
+    "#).unwrap();
+}