Implement `AddAssign` for `MsgString`

Allowing appending to a `MsgString`.

1 files changed, 16 insertions, 1 deletions

diff --git a/android/translations-converter/src/gettext/msg_string.rs b/android/translations-converter/src/gettext/msg_string.rs
index b27aa716fd..6bbf77e1e9 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::Deref,
+    ops::{AddAssign, Deref},
 };
 
 /// A message string in a gettext translation file.
@@ -51,6 +51,21 @@ impl Deref for MsgString {
     }
 }
 
+impl AsRef<MsgString> for MsgString {
+    fn as_ref(&self) -> &Self {
+        self
+    }
+}
+
+impl<M> AddAssign<M> for MsgString
+where
+    M: AsRef<MsgString>,
+{
+    fn add_assign(&mut self, other: M) {
+        self.0 += &other.as_ref().0;
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::MsgString;