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Apple Developer Docs

AudioDriverKit / FailIf

FailIf

Declaration

#define FailIf(inCondition, inAction, inHandler, inMessage)

Open on developer.apple.com

AudioDriverKitMacro

driverkit 21.0+

Built on 2026-11-01 · Snapshot snapshot-20261101 (macOS 27.0.1) · Commit 864a336 · by @g-cqd · based on Apple Developer Documentation