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# releaseInfo

If non-`NULL`,the callback used to release the `info` parameterpassed to [`init(info:domainDimension:domain:rangeDimension:range:callbacks:)`](/documentation/CoreGraphics/CGFunction/init(info:domainDimension:domain:rangeDimension:range:callbacks:)).

```
var releaseInfo: CGFunctionReleaseInfoCallback?
```

---

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