# Arrays

Arrays are a standard Ava type. An array is a contiguous block of memory that
represents some grouping of a type.

```
let x: Array[Int32] := { 1, 2, 3 }
let zero: Array[Int32] := {}
let size: Int32 := size(x)
let arr: Array[Int32] := fill(512, 0)
```

## Type Class Support

- `Monad`
- `Show`
- `Eq`

## NonEmptyList

The type `NonEmptyList` is a list which cannot be empty:

```
given A
record NonEmptyList: (head: A, tail: List[A])
```

## Indexing

Lists cannot be accessed by index.