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# SectionedResults

A `RandomAccessCollection` of [`ResultsSection`](/documentation/SwiftData/ResultsSection) instances representing sectioned query results.

```
struct SectionedResults<Element, SectionTitle> where Element : PersistentModel, SectionTitle : Hashable
```

## Overview

`SectionedResults` is the result type for sectioned `@Query` properties. Iterating it
yields sections; each section is itself a `RandomAccessCollection` of model elements.
Use [`subscript(sectionTitle:)`](/documentation/SwiftData/SectionedResults/subscript(sectionTitle:)) for O(1) lookup by section title.

```
@Query(sort: \.name, sectionBy: \.category)
var items: SectionedResults<Item, String>

ForEach(items) { section in              // section: ResultsSection<Item, String>
    Section(section.title) {             // "Work", "Personal", …
        ForEach(section) { item in … }   // item: Item
    }
}

// O(1) named lookup
let workCount = items[sectionTitle: "Work"]?.count ?? 0
```

## Topics

### Instance Properties

[`var sectionTitles: [SectionTitle]`](/documentation/SwiftData/SectionedResults/sectionTitles)

The section titles in order.

### Instance Methods

[`func contains(sectionTitle: SectionTitle) -> Bool`](/documentation/SwiftData/SectionedResults/contains(sectionTitle:))

Returns whether a section with the given title exists in the collection.

[`func index(ofSectionTitled: SectionTitle) -> Int?`](/documentation/SwiftData/SectionedResults/index(ofSectionTitled:))

Returns the ordered index of the section with the given title, or `nil` if not found.

### Subscripts

[`subscript(sectionTitle _: SectionTitle) -> ResultsSection<Element, SectionTitle>?`](/documentation/SwiftData/SectionedResults/subscript(sectionTitle:))

Returns the section with the given title, or `nil` if no such section exists.

### Default Implementations

[Equatable Implementations](/documentation/SwiftData/SectionedResults/Equatable-Implementations)

## Relationships

### Conforms To

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

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

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

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

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

---

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