---
title: "==(_:_:)"
framework: coremedia
role: symbol
role_heading: Operator
path: "coremedia/cmformatdescription/==(_:_:)"
---

# ==(_:_:)

Equality is derived from

## Declaration

```swift
static func == (lhs: CMFormatDescription, rhs: CMFormatDescription) -> Bool
```

## Discussion

Discussion lhs.equalTo(rhs,             extensionKeysToIgnore: [],             sampleDescriptionExtensionAtomKeysToIgnore: [])

## See Also

### Comparing Format Descriptions

- [equalTo(_:equalityMask:)](coremedia/cmformatdescription/equalto(_:equalitymask:).md)
- [equalTo(_:extensionKeysToIgnore:sampleDescriptionExtensionAtomKeysToIgnore:)](coremedia/cmformatdescription/equalto(_:extensionkeystoignore:sampledescriptionextensionatomkeystoignore:).md)