<!--
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    "macCatalyst: 18.0.0 -",
    "macOS: 15.0.0 -"
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  "documentType" : "symbol",
  "framework" : "AppKit",
  "identifier" : "/documentation/AppKit/NSHorizontalDirection",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "AppKit"
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    "preciseIdentifier" : "s:6AppKit21NSHorizontalDirectionO"
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  "title" : "NSHorizontalDirection"
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# NSHorizontalDirection

An absolute direction on the horizontal axis.

```
@frozen enum NSHorizontalDirection
```

## Topics

### Structures

[`struct Set`](/documentation/AppKit/NSHorizontalDirection/Set)

An efficient set of horizontal directions.

### Enumeration Cases

[`case left`](/documentation/AppKit/NSHorizontalDirection/left)

The left direction.

[`case right`](/documentation/AppKit/NSHorizontalDirection/right)

The right direction.

### Type Methods

[`static func leading(relativeTo: NSUserInterfaceLayoutDirection) -> NSHorizontalDirection`](/documentation/AppKit/NSHorizontalDirection/leading(relativeTo:))

Returns the leading direction in the given user interface layout direction.

[`static func trailing(relativeTo: NSUserInterfaceLayoutDirection) -> NSHorizontalDirection`](/documentation/AppKit/NSHorizontalDirection/trailing(relativeTo:))

Returns the trailing direction in the given user interface layout direction.

## Relationships

### Conforms To

[`Encodable`](/documentation/Swift/Encodable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Decodable`](/documentation/Swift/Decodable)

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`CaseIterable`](/documentation/Swift/CaseIterable)

[`Escapable`](/documentation/Swift/Escapable)

[`Copyable`](/documentation/Swift/Copyable)

[`Hashable`](/documentation/Swift/Hashable)

---

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