1 files changed, 12 insertions, 1 deletions
diff --git a/core/dvector.h b/core/dvector.h
index cac9e8ef85..456be41289 100644
--- a/core/dvector.h
+++ b/core/dvector.h
@@ -34,6 +34,7 @@
 #include "pool_allocator.h"
 #include "safe_refcount.h"
 #include "os/rw_lock.h"
+#include "ustring.h"
 
 struct MemoryPool {
 
@@ -89,7 +90,7 @@ class PoolVector {
 		if (!alloc)
 			return;
 
-		ERR_FAIL_COND(alloc->lock>0);
+//		ERR_FAIL_COND(alloc->lock>0); should not be illegal to lock this for copy on write, as it's a copy on write after all
 
 		if (alloc->refcount.get()==1)
 			return; //nothing to do
@@ -466,6 +467,16 @@ public:
 		return OK;
 	}
 
+	String join(String delimiter) {
+		String rs = "";
+		int s = size();
+		Read r = read();
+		for(int i=0;i<s;i++) {
+			rs += r[i] + delimiter;
+		}
+		rs.erase( rs.length()-delimiter.length(), delimiter.length());
+		return rs;
+	}
 
 	bool is_locked() const { return alloc && alloc->lock>0; }