---
title: "<(_:_:)"
framework: swift
role: symbol
role_heading: Operator
path: "swift/continuousclock/instant/_(_:_:)"
---

# <(_:_:)

Returns a Boolean value indicating whether the value of the first argument is less than that of the second argument.

## Declaration

```swift
static func < (lhs: ContinuousClock.Instant, rhs: ContinuousClock.Instant) -> Bool
```

## Parameters

- `lhs`: A value to compare.
- `rhs`: Another value to compare.

## Discussion

Discussion This function is the only requirement of the Comparable protocol. The remainder of the relational operator functions are implemented by the standard library for any type that conforms to Comparable.