Dart Analysis Tool

The spread operator is away of inside collection literal, like a list literal or a mapleral. It gives you a really nice, short syntax for flattening nested lists. Collection if lets you do something that looks like an if statement in the middle of List literals. That doesn't sound superinteresting, but it ends up actually being pretty useful when you look at flutter code. The pecuris preged understod to you with a dart analysis tool, is pretty hard to switch off. But you asto need to know about noll safety when you're doing things.