Use default field values for Probe struct

src/test/flecs/world.zig

@@ -41,7 +41,7 @@ test "World_progress_w_0" {
 
     const move_system = try world.system("move", move, c.EcsOnUpdate, "Position, Velocity");
 
-    var ctx = util.Probe.init();
+    var ctx = util.Probe{};
     c.ecs_set_ctx(world.raw, &ctx, null);
 
     e1.set(Position, .{ .x = 0, .y = 0 });
@@ -78,7 +78,7 @@ test "World_progress_w_t" {
 
     const move_system = try world.system("move", move, c.EcsOnUpdate, "Position, Velocity");
 
-    var ctx = util.Probe.init();
+    var ctx = util.Probe{};
     c.ecs_set_ctx(world.raw, &ctx, null);
 
     e1.set(Position, .{ .x = 0, .y = 0 });

src/test/util.zig

@@ -14,22 +14,18 @@ pub const MAX_ENTITIES = 256;
 pub const MAX_INVOCATIONS = 1024;
 
 pub const Probe = struct {
-    system: c.ecs_entity_t,
+    system: c.ecs_entity_t = 0,
-    event: c.ecs_entity_t,
+    event: c.ecs_entity_t = 0,
-    eventId: c.ecs_id_t,
+    eventId: c.ecs_id_t = 0,
-    offset: usize,
+    offset: usize = 0,
-    count: usize,
+    count: usize = 0,
-    invoked: usize,
+    invoked: usize = 0,
-    termCount: usize,
+    termCount: usize = 0,
-    termIndex: usize,
+    termIndex: usize = 0,
-    e: [MAX_ENTITIES]c.ecs_entity_t,
+    e: [MAX_ENTITIES]c.ecs_entity_t = .{0} ** MAX_ENTITIES,
-    c: [MAX_SYS_COLUMNS][MAX_INVOCATIONS]c.ecs_entity_t,
+    c: [MAX_SYS_COLUMNS][MAX_INVOCATIONS]c.ecs_entity_t = .{.{0} ** MAX_INVOCATIONS} ** MAX_SYS_COLUMNS,
-    s: [MAX_SYS_COLUMNS][MAX_INVOCATIONS]c.ecs_entity_t,
+    s: [MAX_SYS_COLUMNS][MAX_INVOCATIONS]c.ecs_entity_t = .{.{0} ** MAX_INVOCATIONS} ** MAX_SYS_COLUMNS,
-    param: ?*anyopaque,
+    param: ?*anyopaque = null,
-
-    pub fn init() Probe {
-        return std.mem.zeroes(Probe);
-    }
 
     pub fn probeSystemWithContext(ctx: *Probe, it: Iter) !void {
         ctx.param = it.raw.param;