From fee8f5b575e0749b93580124e3eeee569e049a89 Mon Sep 17 00:00:00 2001
From: Manos Pitsidianakis <el13635@mail.ntua.gr>
Date: Sun, 20 Dec 2020 20:05:20 +0200
Subject: [PATCH] melib/backends: move IsSubscribedFn to backends mod

---
 melib/src/backends.rs      | 15 +++++++++++++++
 melib/src/backends/imap.rs | 14 --------------
 melib/src/backends/jmap.rs | 14 --------------
 melib/src/backends/nntp.rs | 14 --------------
 4 files changed, 15 insertions(+), 42 deletions(-)

diff --git a/melib/src/backends.rs b/melib/src/backends.rs
index 4b01d47a7..442e0347a 100644
--- a/melib/src/backends.rs
+++ b/melib/src/backends.rs
@@ -690,3 +690,18 @@ fn test_lazy_count_set() {
     assert!(!new.insert_existing(10));
     assert_eq!(new.len(), 10);
 }
+
+pub struct IsSubscribedFn(Box<dyn Fn(&str) -> bool + Send + Sync>);
+
+impl std::fmt::Debug for IsSubscribedFn {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(f, "IsSubscribedFn Box")
+    }
+}
+
+impl std::ops::Deref for IsSubscribedFn {
+    type Target = Box<dyn Fn(&str) -> bool + Send + Sync>;
+    fn deref(&self) -> &Box<dyn Fn(&str) -> bool + Send + Sync> {
+        &self.0
+    }
+}
diff --git a/melib/src/backends/imap.rs b/melib/src/backends/imap.rs
index f1cb52b9f..88efed124 100644
--- a/melib/src/backends/imap.rs
+++ b/melib/src/backends/imap.rs
@@ -100,20 +100,6 @@ pub struct ImapServerConf {
     pub timeout: Option<Duration>,
 }
 
-struct IsSubscribedFn(Box<dyn Fn(&str) -> bool + Send + Sync>);
-
-impl std::fmt::Debug for IsSubscribedFn {
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(f, "IsSubscribedFn Box")
-    }
-}
-
-impl std::ops::Deref for IsSubscribedFn {
-    type Target = Box<dyn Fn(&str) -> bool + Send + Sync>;
-    fn deref(&self) -> &Box<dyn Fn(&str) -> bool + Send + Sync> {
-        &self.0
-    }
-}
 type Capabilities = HashSet<Vec<u8>>;
 
 #[macro_export]
diff --git a/melib/src/backends/jmap.rs b/melib/src/backends/jmap.rs
index e20a19822..ed8d7c73a 100644
--- a/melib/src/backends/jmap.rs
+++ b/melib/src/backends/jmap.rs
@@ -146,20 +146,6 @@ impl JmapServerConf {
     }
 }
 
-pub struct IsSubscribedFn(Box<dyn Fn(&str) -> bool + Send + Sync>);
-
-impl std::fmt::Debug for IsSubscribedFn {
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(f, "IsSubscribedFn Box")
-    }
-}
-
-impl std::ops::Deref for IsSubscribedFn {
-    type Target = Box<dyn Fn(&str) -> bool + Send + Sync>;
-    fn deref(&self) -> &Box<dyn Fn(&str) -> bool + Send + Sync> {
-        &self.0
-    }
-}
 macro_rules! get_conf_val {
     ($s:ident[$var:literal]) => {
         $s.extra.get($var).ok_or_else(|| {
diff --git a/melib/src/backends/nntp.rs b/melib/src/backends/nntp.rs
index 48e5c9558..e3fdcfa85 100644
--- a/melib/src/backends/nntp.rs
+++ b/melib/src/backends/nntp.rs
@@ -66,20 +66,6 @@ pub struct NntpServerConf {
     pub extension_use: NntpExtensionUse,
 }
 
-pub struct IsSubscribedFn(Box<dyn Fn(&str) -> bool + Send + Sync>);
-
-impl std::fmt::Debug for IsSubscribedFn {
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(f, "IsSubscribedFn Box")
-    }
-}
-
-impl std::ops::Deref for IsSubscribedFn {
-    type Target = Box<dyn Fn(&str) -> bool + Send + Sync>;
-    fn deref(&self) -> &Box<dyn Fn(&str) -> bool + Send + Sync> {
-        &self.0
-    }
-}
 type Capabilities = HashSet<String>;
 
 #[derive(Debug)]