[GitHub] [arrow-rs] alamb commented on a diff in pull request #3979: Add serde support to RawDecoder (#3949)

["alamb (via GitHub)" <gi...@apache.org>]

alamb commented on code in PR #3979:
URL: https://github.com/apache/arrow-rs/pull/3979#discussion_r1153235995


##########
arrow-json/src/raw/mod.rs:
##########
@@ -233,6 +235,38 @@ impl RawDecoder {
         self.tape_decoder.decode(buf)
     }
 
+    /// Serialize `rows` to this [`RawDecoder`]

Review Comment:
   I think a more compelling example would be to implement some struct 
   ```
   struct MyRow  {
     field: i32,
     name:  String
   }
   ```
   And demonstrate how to turn that into a `RecordBatch`



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