deinit

pub fn deinit(self: *Data, gpa: std.mem.Allocator) void {
    defer self.* = undefined;
    var it = self.storage.iterator();
    while (it.next()) |entry| {
        entry.value_ptr.free(gpa);
    }
    self.storage.deinit(gpa);
    for (self.trash.items) |sd| {
        sd.free(gpa);
    }
    self.trash.deinit(gpa);
}