Foundation / OutputStream / init(URL:append:)

init(URL:append:)

Declaration

init?(URL url: URL, append shouldAppend: Bool)

FoundationInitializer

iOS 4.0+iPadOS 4.0+Mac Catalyst 13.1+macOS 10.6+tvOS 9.0+visionOS 1.0+watchOS 2.0+

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation