Implement `Add` for `MsgString`

Allow joining two `MsgString`s, either by moving them or by borrowing
them.

1 files changed, 21 insertions, 1 deletions

diff --git a/android/translations-converter/src/gettext/msg_string.rs b/android/translations-converter/src/gettext/msg_string.rs
index 6bbf77e1e9..216bd2fa4e 100644
--- a/android/translations-converter/src/gettext/msg_string.rs
+++ b/android/translations-converter/src/gettext/msg_string.rs
@@ -1,6 +1,6 @@
 use std::{
     fmt::{self, Display, Formatter},
-    ops::{AddAssign, Deref},
+    ops::{Add, AddAssign, Deref},
 };
 
 /// A message string in a gettext translation file.
@@ -66,6 +66,26 @@ where
     }
 }
 
+impl<M> Add<M> for MsgString
+where
+    M: AsRef<MsgString>,
+{
+    type Output = MsgString;
+
+    fn add(mut self, other: M) -> Self::Output {
+        self += other;
+        self
+    }
+}
+
+impl<'l, 'r> Add<&'r MsgString> for &'l MsgString {
+    type Output = MsgString;
+
+    fn add(self, other: &'r MsgString) -> Self::Output {
+        MsgString(self.0.clone() + &other.0)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::MsgString;