MobiusTest/Source/MatcherUtils.swift (7 lines of code) (raw):

// Copyright Spotify AB. // SPDX-License-Identifier: Apache-2.0 import MobiusCore public enum PredicateResult { case success case failure(message: String, file: StaticString, line: UInt) } public typealias Predicate<T> = (T) -> PredicateResult public typealias AssertionFailure = (String, StaticString, UInt) -> Void