Collect so that all FLEs are dropped

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 9 insertions, 2 deletions

diff --git a/bin/domain/imag-mail/src/lib.rs b/bin/domain/imag-mail/src/lib.rs
index c0125751..f9bc966a 100644
--- a/bin/domain/imag-mail/src/lib.rs
+++ b/bin/domain/imag-mail/src/lib.rs
@@ -215,11 +215,18 @@ fn list(rt: &Runtime) -> Result<()> {
                 drop(fle);
                 id
             })
-            .and_then_ok(|id: String| mailstore.get_mailtree(&id))
+
+            // we have to collect here, so that all FLEs are drop()ed
+            .collect::<Result<Vec<String>>>()?
+            .into_iter()
+            .map(|id: String| mailstore.get_mailtree(&id))
             .collect::<Result<Vec<Mailtree>>>()
         } else {
             iter.and_then_ok(|fle| fle.get_cached_id())
-                .and_then_ok(|id: String| mailstore.get_mailtree(&id))
+                // we have to collect here, so that all FLEs are drop()ed
+                .collect::<Result<Vec<String>>>()?
+                .into_iter()
+                .map(|id: String| mailstore.get_mailtree(&id))
                 .collect::<Result<Vec<Mailtree>>>()
         }?;