vim: highlight is casts

compnerd · compnerd · commit 51a2df701a32 · 2016-06-04T11:35:54.000-07:00
diff --git a/utils/vim/syntax/swift.vim b/utils/vim/syntax/swift.vim
@@ -152,6 +152,7 @@ syn match swiftAttribute /@\<\w\+\>/ skipwhite nextgroup=swiftType
 
 syn keyword swiftTodo TODO FIXME contained
 
+syn match swiftCastOp "\<is\>" skipwhite nextgroup=swiftType
 syn match swiftCastOp "\<as\>[!?]\?" skipwhite nextgroup=swiftType
 
 syn match swiftNilOps "??"
