1export fn entry() void {
 2    const slice: []const u8 = "foo";
 3    const x = @as(*const anyopaque, slice);
 4    _ = x;
 5}
 6
 7// error
 8//
 9// :3:37: error: expected type '*const anyopaque', found '[]const u8'
10// :3:37: note: cannot implicitly cast slice '[]const u8' to anyopaque pointer '*const anyopaque'
11// :3:37: note: consider using '.ptr'