Improved error message for flattening on unsupported types

mitsuhiko · mitsuhiko · commit 49e302d17d46 · 2018-03-16T23:05:48.000+01:00
diff --git a/serde/src/private/de.rs b/serde/src/private/de.rs
@@ -2087,7 +2087,7 @@ impl<'a, 'de, E> Deserializer<'de> for FlatMapDeserializer<'a, 'de, E>
     where
         V: Visitor<'de>,
     {
-        Err(Error::custom("can only flatten structs, maps and basic enums"))
+        Err(Error::custom("can only flatten structs, maps and struct enum variants"))
     }
 
     fn deserialize_enum<V>(

Original file line number	Diff line number	Diff line change
`@@ -2087,7 +2087,7 @@ impl<'a, 'de, E> Deserializer<'de> for FlatMapDeserializer<'a, 'de, E>`
`2087`	`2087`	`where`
`2088`	`2088`	`V: Visitor<'de>,`
`2089`	`2089`	`{`
`2090`		`- Err(Error::custom("can only flatten structs, maps and basic enums"))`
	`2090`	`+ Err(Error::custom("can only flatten structs, maps and struct enum variants"))`
`2091`	`2091`	`}`
`2092`	`2092`
`2093`	`2093`	`fn deserialize_enum<V>(`