---
title: ensureCapacity
framework: Kernel
role: symbol
role_heading: Instance Method
platforms: [driverkit 19.0+, macOS 10.15.2+]
path: kernel/oscollection/3438145-ensurecapacity
---

# ensureCapacity

## Declaration

```occ
virtual uint32_t ensureCapacity(uint32_t newCapacity);
```

```occ
virtual unsigned int ensureCapacity(unsigned int newCapacity);
```

## See Also

### Inspecting a Collection

- [getCount](kernel/oscollection/3438148-getcount.md)
- [getCapacity](kernel/oscollection/3438147-getcapacity.md)