From 219de2dd4d60420f810cb60496d41f164e5c06b0 Mon Sep 17 00:00:00 2001
From: Garrett Berg <vitiral@gmail.com>
Date: Wed, 26 Jul 2017 22:08:22 -0600
Subject: close #199: add header information for empty structs

- also add test which fails without this change
- also add a few helpful unit tests to table
---
 src/ser.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/ser.rs b/src/ser.rs
index 863bd75..3c9b354 100644
--- a/src/ser.rs
+++ b/src/ser.rs
@@ -930,6 +930,15 @@ impl<'a, 'b> ser::SerializeStruct for SerializeTable<'a, 'b> {
     }
 
     fn end(self) -> Result<(), Error> {
+        match self {
+            SerializeTable::Datetime(_) => {},
+            SerializeTable::Table { mut ser, first, ..  } => {
+                if first.get() {
+                    let state = ser.state.clone();
+                    ser.emit_table_header(&state)?;
+                }
+            }
+        }
         Ok(())
     }
 }
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