diff --git a/src/etc/vim/after/syntax/rust.vim b/src/etc/vim/after/syntax/rust.vim
index 5fe51d38f4a..f4c1fc1160a 100644
--- a/src/etc/vim/after/syntax/rust.vim
+++ b/src/etc/vim/after/syntax/rust.vim
@@ -15,6 +15,10 @@ syn match rustRightArrowHead contained ">" conceal cchar= 
 syn match rustRightArrowTail contained "-" conceal cchar=⟶
 syn match rustNiceOperator "->" contains=rustRightArrowHead,rustRightArrowTail
 
+syn match rustLeftRightArrowHead contained ">" conceal cchar= 
+syn match rustLeftRightArrowTail contained "<-" conceal cchar=⟷
+syn match rustNiceOperator "<->" contains=rustLeftRightArrowHead,rustLeftRightArrowTail
+
 syn match rustFatRightArrowHead contained ">" conceal cchar= 
 syn match rustFatRightArrowTail contained "=" conceal cchar=⟹
 syn match rustNiceOperator "=>" contains=rustFatRightArrowHead,rustFatRightArrowTail