report token revelations only if nontrivial

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/session.rs b/src/session.rs
index f2a2f4fc3ed413b69ff44c46b4db2b1d48ab2004..cfa151d2d1616850d47d84c389d50afdc7ce0540 100644 (file)
--- a/src/session.rs
+++ b/src/session.rs
@@ -134,9 +134,10 @@ fn session(form : Json<SessionForm>) -> Result<Template,OE> {
         .cloned(),
       {
         let tr = &pr.ipl.tokens_revealed;
+        let y = tr.len() > 1;
         tr.iter()
+          .filter(move |_| y)
         //        .sort
-        // what if only one
           .map(|(trk,trv)|{
             let when = trv.latest;
             let html = Html(format!(