Go Slices Are Values

But what does that really look like behind the scenes?

But what does that really look like behind the scenes?

Since my last post, I realized that slices in Go actually deserve a little more discussion. For example, the two following code snippets are actually quite different.

The first prints a friendly “[got] [hi]” where the second prints a very meta “[got] [go]”! What’s up with this? Well, to start, we have to understand how slices work a little better. And what better place to start than the Go runtime itself.

type slice struct {
    array unsafe.Pointer
    len int
    cap int
}

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