---
title: count
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/nsindexset/count
---

# count

The number of indexes in the index set.

## Declaration

```swift
var count: Int { get }
```

## See Also

### Querying Index Sets

- [contains(_:)](foundation/nsindexset/contains(_:)-bb19.md)
- [contains(_:)](foundation/nsindexset/contains(_:)-5j2kh.md)
- [contains(in:)](foundation/nsindexset/contains(in:).md)
- [intersects(in:)](foundation/nsindexset/intersects(in:).md)
- [countOfIndexes(in:)](foundation/nsindexset/countofindexes(in:).md)
- [index(passingTest:)](foundation/nsindexset/index(passingtest:).md)
- [indexes(passingTest:)](foundation/nsindexset/indexes(passingtest:).md)
- [index(options:passingTest:)](foundation/nsindexset/index(options:passingtest:).md)
- [indexes(options:passingTest:)](foundation/nsindexset/indexes(options:passingtest:).md)
- [index(in:options:passingTest:)](foundation/nsindexset/index(in:options:passingtest:).md)
- [indexes(in:options:passingTest:)](foundation/nsindexset/indexes(in:options:passingtest:).md)