slice literal in Go
A slice literal is like an array literal without the length.
This is an array literal:
```
[3]bool{true, true, false}
```
This creates an array, then builds a slice that references it:
```
[]bool{true, true, false}
```
A slice literal is like an array literal without the length.
This is an array literal:
```
[3]bool{true, true, false}
```
This creates an array, then builds a slice that references it:
```
[]bool{true, true, false}
```