Fix up examples to no longer use '&'

examples/game/player.tm

@@ -12,7 +12,7 @@ struct Player(pos,prev_pos:Vec2):
     FRICTION := 0.99
     SIZE := Vec2(30, 30)
 
-    func update(p:&Player):
+    func update(p:@Player):
         target_x := inline C:Num {
             (Num_t)((IsKeyDown(KEY_A) ? -1 : 0) + (IsKeyDown(KEY_D) ? 1 : 0))
         }

examples/game/world.tm

@@ -38,18 +38,18 @@ func solve_overlap(a_pos:Vec2, a_size:Vec2, b_pos:Vec2, b_size:Vec2 -> Vec2):
 
     return Vec2(0, 0)
 
-struct World(player:@Player, goal:@Box, boxes:[@Box], dt_accum=0.0, won=no):
+struct World(player:@Player, goal:@Box, boxes:@[@Box], dt_accum=0.0, won=no):
     DT := 1./60.
-    CURRENT := @World(@Player(Vec2(0,0), Vec2(0,0)), @Box(Vec2(0,0), Vec2(0,0), Color.GOAL), [:@Box])
+    CURRENT := @World(@Player(Vec2(0,0), Vec2(0,0)), @Box(Vec2(0,0), Vec2(0,0), Color.GOAL), @[:@Box])
     STIFFNESS := 0.3
 
-    func update(w:&World, dt:Num):
+    func update(w:@World, dt:Num):
         w.dt_accum += dt
         while w.dt_accum > 0:
             w:update_once()
             w.dt_accum -= World.DT
 
-    func update_once(w:&World):
+    func update_once(w:@World):
         w.player:update()
 
         if solve_overlap(w.player.pos, Player.SIZE, w.goal.pos, w.goal.size) != Vec2(0,0):
@@ -57,11 +57,11 @@ struct World(player:@Player, goal:@Box, boxes:[@Box], dt_accum=0.0, won=no):
 
         # Resolve player overlapping with any boxes:
         for i in 3:
-            for b in w.boxes:
+            for b in w.boxes[]:
                 w.player.pos += STIFFNESS * solve_overlap(w.player.pos, Player.SIZE, b.pos, b.size)
 
-    func draw(w:&World):
+    func draw(w:@World):
-        for b in w.boxes:
+        for b in w.boxes[]:
             b:draw()
         w.goal:draw()
         w.player:draw()
@@ -71,17 +71,17 @@ struct World(player:@Player, goal:@Box, boxes:[@Box], dt_accum=0.0, won=no):
                 DrawText("WINNER", GetScreenWidth()/2-48*3, GetScreenHeight()/2-24, 48, (Color){0,0,0,0xFF});
             }
 
-    func load_map(w:&World, map:Text):
+    func load_map(w:@World, map:Text):
         if map:has($/[]/):
             map = map:replace_all({$/[]/: "#", $/@{1..}/: "@", $/  /: " "})
-        w.boxes = [:@Box]
+        w.boxes = @[:@Box]
         box_size := Vec2(50., 50.)
         for y,line in map:lines():
             for x,cell in line:split():
                 if cell == "#":
                     pos := Vec2((Num(x)-1) * box_size.x, (Num(y)-1) * box_size.y)
                     box := @Box(pos, size=box_size, color=Color.GRAY)
-                    (&w.boxes):insert(box)
+                    w.boxes:insert(box)
                 else if cell == "@":
                     pos := Vec2((Num(x)-1) * box_size.x, (Num(y)-1) * box_size.y)
                     pos += box_size/2. - Player.SIZE/2.

examples/tomodeps/tomodeps.tm

@@ -25,7 +25,7 @@ func _get_file_dependencies(file:Path -> {Dependency}):
                 deps:add(Dependency.Module(module_name))
     return deps
 
-func _build_dependency_graph(dep:Dependency, dependencies:&{Dependency:{Dependency}}):
+func _build_dependency_graph(dep:Dependency, dependencies:@{Dependency:{Dependency}}):
     return if dependencies:has(dep)
 
     dependencies:set(dep, {:Dependency}) # Placeholder
@@ -56,8 +56,8 @@ func _build_dependency_graph(dep:Dependency, dependencies:&{Dependency:{Dependen
         _build_dependency_graph(dep2, dependencies)
 
 func get_dependency_graph(dep:Dependency -> {Dependency:{Dependency}}):
-    graph := {:Dependency:{Dependency}}
+    graph := @{:Dependency:{Dependency}}
-    _build_dependency_graph(dep, &graph)
+    _build_dependency_graph(dep, graph)
     return graph
 
 func _printable_name(dep:Dependency -> Text):
@@ -70,7 +70,7 @@ func _printable_name(dep:Dependency -> Text):
         else:
             return "$(\x1b)[31;1m$(f.text_content) (not found)$(\x1b)[m"
 
-func _draw_tree(dep:Dependency, dependencies:{Dependency:{Dependency}}, already_printed:&{Dependency}, prefix="", is_last=yes):
+func _draw_tree(dep:Dependency, dependencies:{Dependency:{Dependency}}, already_printed:@{Dependency}, prefix="", is_last=yes):
     if already_printed:has(dep):
         say(prefix ++ (if is_last: "└── " else: "├── ") ++ _printable_name(dep) ++ " $\x1b[2m(recursive)$\x1b[m")
         return
@@ -86,13 +86,13 @@ func _draw_tree(dep:Dependency, dependencies:{Dependency:{Dependency}}, already_
         _draw_tree(child, dependencies, already_printed, child_prefix, is_child_last)
 
 func draw_tree(dep:Dependency, dependencies:{Dependency:{Dependency}}):
-    printed := {:Dependency}
+    printed := @{:Dependency}
     say(_printable_name(dep))
     printed:add(dep)
     deps := dependencies:get(dep) or {:Dependency}
     for i,child in deps.items:
         is_child_last := (i == deps.length)
-        _draw_tree(child, dependencies, already_printed=&printed, is_last=is_child_last)
+        _draw_tree(child, dependencies, already_printed=printed, is_last=is_child_last)
 
 func main(files:[Text]):
     if files.length == 0: