openpgp: Tweak the assert_send_and_sync macro.

  - Declare trait bounds using a where clause.  It looks a bit odd if
    there is no bound, but not worse than before.

1 files changed, 1 insertions, 2 deletions

diff --git a/openpgp/src/macros.rs b/openpgp/src/macros.rs
index 7810a69b..d350a09b 100644
--- a/openpgp/src/macros.rs
+++ b/openpgp/src/macros.rs
@@ -145,7 +145,7 @@ macro_rules! time_it {
 /// ```
 ///
 macro_rules! assert_send_and_sync {
-    ( $x:ty, $( $g:ident$( : $b:path )? $(,)?)*) => {
+    ( $x:ty where $( $g:ident$( : $b:path )? $(,)?)*) => {
         impl<$( $g ),*> crate::types::Sendable for $x
             where $( $g: Send + Sync $(+ $b)? ),*
             {}
@@ -158,4 +158,3 @@ macro_rules! assert_send_and_sync {
         impl crate::types::Syncable for $x {}
     };
 }
-