# ArrayLoader A loader backed by an in-memory array. ``` struct ArrayLoader where Sample : SampleProtocol ``` ## Overview ```swift let loader = ArrayLoader(samples: [ ModelSample(prompt: "What is 2+2?", expected: "4"), ModelSample(prompt: "What is the capital of France?", expected: "Paris"), ]) ``` ## Topics ### Initializers [`init(samples: [Sample])`](/documentation/Evaluations/ArrayLoader/init(samples:)) Creates a loader backed by the given array of samples. ### Instance Properties [`var stream: any AsyncSequence`](/documentation/Evaluations/ArrayLoader/stream) The async sequence that yields each sample in the array during an evaluation run. ## Relationships ### Conforms To [`Sendable`](/documentation/Swift/Sendable) [`Loader`](/documentation/Evaluations/Loader) [`SendableMetatype`](/documentation/Swift/SendableMetatype) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)