1[test](../index.md) / [kotlin](./index.md) 2 3## Package kotlin 4 5### Types 6 7| [Array](-array/index.md) | `class Array<T>` | 8| [CharArray](-char-array/index.md) | `class CharArray` | 9| [IntArray](-int-array/index.md) | `class IntArray` | 10 11### Properties 12 13| [foo](foo.md) | `val <T> any_array<T>.foo: Int`<br>Returns true if foo. | 14 15