update json unit type serde impl to output valid json

not-fl3 · Aug 6, 2023 · 8e8fd5d · 8e8fd5d
1 parent 56e28c9
commit 8e8fd5d
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/src/serde_json.rs b/src/serde_json.rs
@@ -748,15 +748,18 @@ where
 
 impl SerJson for () {
     fn ser_json(&self, _d: usize, s: &mut SerJsonState) {
-        s.out.push_str("")
+        s.out.push_str("null")
     }
 }
 
 impl DeJson for () {
     fn de_json(s: &mut DeJsonState, i: &mut Chars) -> Result<(), DeJsonErr> {
-        // skip ""
-        s.next_tok(i)?;
-        return Ok(());
+        if let DeJsonTok::Null = s.tok {
+            s.next_tok(i)?;
+            return Ok(());
+        } else {
+            return Err(s.err_token("null"));
+        }
     }
 }