fix(FmtSubscriber): add space between multiple values for same key in…

… a span tokio-rs#627 Signed-off-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
bnjjj · Apr 2, 2020 · 62d9796 · 62d9796
1 parent 2f14d19
commit 62d9796
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tracing-subscriber/src/fmt/fmt_layer.rs b/tracing-subscriber/src/fmt/fmt_layer.rs
@@ -459,6 +459,9 @@ where
         if let Some(FormattedFields { ref mut fields, .. }) =
             extensions.get_mut::<FormattedFields<N>>()
         {
+            if !values.is_empty() {
+                fields.push(' ');
+            }
             let _ = self.fmt_fields.format_fields(fields, values);
         } else {
             let mut buf = String::new();