---
title: "init(exactly:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/runloop/schedulertimetype/stride/init(exactly:)"
---

# init(exactly:)

Creates a run loop scheduler time interval from a binary integer type.

## Declaration

```swift
init?<T>(exactly source: T) where T : BinaryInteger
```

## Discussion

Discussion If exactly can’t convert to an Int, the resulting time interval is nil.

## See Also

### Creating Scheduler Time Strides

- [init(_:)](foundation/runloop/schedulertimetype/stride/init(_:).md)
- [init(floatLiteral:)](foundation/runloop/schedulertimetype/stride/init(floatliteral:).md)
- [init(integerLiteral:)](foundation/runloop/schedulertimetype/stride/init(integerliteral:).md)