diff --git a/examples/maze/maze3d.scad b/examples/maze/maze3d.scad
index d3aee8d4..2a36c791 100644
--- a/examples/maze/maze3d.scad
+++ b/examples/maze/maze3d.scad
@@ -1,6 +1,6 @@
 use <experimental/mz_cube.scad>;
 use <experimental/mz_cube_get.scad>;
-use <util/has.scad>;
+use <util/contains.scad>;
 use <crystal_ball.scad>;
 
 layers = 4;
@@ -41,11 +41,11 @@ module draw_3dmaze(cells, cell_width, road_width) {
         }
     }
 
-    function z_road(type) = !has(["Z_WALL", "Z_Y_WALL", "Z_X_WALL", "Z_Y_X_WALL", "MASK"], type);
+    function z_road(type) = !contains(["Z_WALL", "Z_Y_WALL", "Z_X_WALL", "Z_Y_X_WALL", "MASK"], type);
 
-    function y_road(type) = !has(["Y_WALL", "Y_X_WALL", "Z_Y_WALL", "Z_Y_X_WALL", "MASK"], type);
+    function y_road(type) = !contains(["Y_WALL", "Y_X_WALL", "Z_Y_WALL", "Z_Y_X_WALL", "MASK"], type);
 
-    function x_road(type) = !has(["X_WALL", "Y_X_WALL", "Z_X_WALL", "Z_Y_X_WALL", "MASK"], type);
+    function x_road(type) = !contains(["X_WALL", "Y_X_WALL", "Z_X_WALL", "Z_Y_X_WALL", "MASK"], type);
 
     module drawCell(cell_width, road_width, channels) {
         half_cw = cell_width / 2;
diff --git a/examples/tiles/random_town_square.scad b/examples/tiles/random_town_square.scad
index 4d8f2659..368d453b 100644
--- a/examples/tiles/random_town_square.scad
+++ b/examples/tiles/random_town_square.scad
@@ -1,6 +1,6 @@
 use <pie.scad>;
 use <util/parse_number.scad>;
-use <util/has.scad>;
+use <util/contains.scad>;
 use <util/rand.scad>;
 use <util/choose.scad>;
 use <experimental/tile_wfc.scad>;
@@ -58,25 +58,25 @@ module random_town_square(size, tileW, layerH) {
     }
 
     module draw_tile(tile, tileW, layerH) {
-        if(has(["F2", "F4", "F6"], tile)) {
+        if(contains(["F2", "F4", "F6"], tile)) {
             layers = parse_number(tile[len(tile) - 1]);
             floor(tileW, layers * layerH);
         }
-        else if(has(["CCRS0", "CCRS1", "CCRS2", "CCRS3"], tile)) {
+        else if(contains(["CCRS0", "CCRS1", "CCRS2", "CCRS3"], tile)) {
             type = parse_number(tile[len(tile) - 1]);
             ccr_stairs(tileW, layerH, type);
         }
-        else if(has(["VCRS02", "VCRS12", "VCRS22", "VCRS32", "VCRS04", "VCRS14", "VCRS24", "VCRS34"], tile)) {
+        else if(contains(["VCRS02", "VCRS12", "VCRS22", "VCRS32", "VCRS04", "VCRS14", "VCRS24", "VCRS34"], tile)) {
             type = parse_number(tile[len(tile) - 2]);
             stairs = parse_number(tile[len(tile) - 1]);
             vcr_stairs(tileW, layerH, type, stairs);
         }
-        else if(has(["SS02", "SS12", "SS22", "SS32", "SS04", "SS14", "SS24", "SS34"], tile)) {
+        else if(contains(["SS02", "SS12", "SS22", "SS32", "SS04", "SS14", "SS24", "SS34"], tile)) {
             type = parse_number(tile[len(tile) - 2]);
             stairs = parse_number(tile[len(tile) - 1]);
             side_stairs(tileW, layerH, type, stairs);
         }
-        else if(has(["FW0", "FW1", "FW2", "FW3"], tile)) {
+        else if(contains(["FW0", "FW1", "FW2", "FW3"], tile)) {
             type = parse_number(tile[len(tile) - 1]);
             floor_wall(tileW, layerH, type);
         }