make clippy happy with default impls

gossip-bin/src/main.rs

@@ -4,23 +4,6 @@
 // TEMPORARILY
 #![allow(clippy::uninlined_format_args)]
 
-/*
-macro_rules! rtry {
-    ($expr:expr $(,)?) => {
-        match $expr {
-            core::result::Result::Ok(val) => val,
-            core::result::Result::Err(err) => {
-                return core::result::Result::Err(core::convert::From::from((
-                    err,
-                    file!(),
-                    line!(),
-                )));
-            }
-        }
-    };
-}
- */
-
 use gossip_lib::comms::ToOverlordMessage;
 use gossip_lib::error::Error;
 use gossip_lib::globals::GLOBALS;

gossip-lib/src/feed.rs

@@ -55,6 +55,12 @@ pub struct Feed {
     thread_parent: RwLock<Option<Id>>,
 }
 
+impl Default for Feed {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Feed {
     pub fn new() -> Feed {
         Feed {

gossip-lib/src/media.rs

@@ -22,6 +22,13 @@ pub struct Media {
     failed_media: RwLock<HashSet<UncheckedUrl>>,
 }
 
+impl Default for Media {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+
 impl Media {
     pub fn new() -> Media {
         Media {

gossip-lib/src/people.rs

@@ -85,6 +85,12 @@ pub struct People {
     pub last_mute_list_size: AtomicUsize,
 }
 
+impl Default for People {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl People {
     pub fn new() -> People {
         People {