---
title: WhenOrderable
framework: driverkit
role: symbol
role_heading: Type Alias
path: driverkit/libkern/detail/whenorderable
---

# WhenOrderable

## Declaration

```occ
typedef void_t<decltype(declval<type-parameter-0-0>() < declval<type-parameter-0-1>()), decltype(declval<type-parameter-0-0>() > declval<type-parameter-0-1>()), decltype(declval<type-parameter-0-0>() >= declval<type-parameter-0-1>()), decltype(declval<type-parameter-0-0>() <= declval<type-parameter-0-1>())> WhenOrderable;
```