move hide behind @ and specify with :

examples/programs/arraylist/main.bro

@@ -19,23 +19,23 @@ init func(allocator mem.Allocator) State {
 	}
 }
 
-hide fail_alloc func(_ ?@mut anyopaque, _ usize, _ usize) ?*mut u8 {
+@hide fail_alloc func(_ ?@mut anyopaque, _ usize, _ usize) ?*mut u8 {
 	return null
 }
 
-hide fail_realloc func(_ ?@mut anyopaque, _ ?*mut u8, _ usize, _ usize, _ usize) ?*mut u8 {
+@hide fail_realloc func(_ ?@mut anyopaque, _ ?*mut u8, _ usize, _ usize, _ usize) ?*mut u8 {
 	return null
 }
 
-hide fail_free func(_ ?@mut anyopaque, _ ?*mut u8, _ usize, _ usize) void {}
+@hide fail_free func(_ ?@mut anyopaque, _ ?*mut u8, _ usize, _ usize) void {}
 
-hide fail_vtable mem.AllocatorVTable :: mem.AllocatorVTable {
+@hide fail_vtable mem.AllocatorVTable :: mem.AllocatorVTable {
 	alloc = fail_alloc,
 	realloc = fail_realloc,
 	free = fail_free,
 }
 
-hide fail_allocator mem.Allocator :: mem.Allocator {
+@hide fail_allocator mem.Allocator :: mem.Allocator {
 	context = null,
 	vtable = &fail_vtable,
 }