add an xxx

diff --git a/src/api.rs b/src/api.rs
index 282f33e47176cbfbd06a4d3871c1fc386fbd2f2d..6b09c87ada640b07d6f091335be2b6becf9076ef 100644 (file)
--- a/src/api.rs
+++ b/src/api.rs
@@ -85,7 +85,7 @@ fn api_piece_op<O: ApiPieceOp>(form : Json<ApiPiece<O>>)
       eprintln!("API {:?} => {:?}", &form, &err);
     },
     Ok((update, logents)) => {
-      let pc = gs.pieces.byid_mut(piece).expect("piece deleted by op!");
+      let pc = gs.pieces.byid_mut(piece).expect("xxx piece deleted by op!");
 
       gs.gen.increment();
       let gen = gs.gen;