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//
// SUVersionComparisonProtocol.h
// Sparkle
//
// Created by Andy Matuschak on 12/21/07.
// Copyright 2007 Andy Matuschak. All rights reserved.
//
#ifndef SUVERSIONCOMPARISONPROTOCOL_H
#define SUVERSIONCOMPARISONPROTOCOL_H
#if __has_feature(modules)
@import Foundation;
#else
#import <Foundation/Foundation.h>
#endif
#import "SUExport.h"
NS_ASSUME_NONNULL_BEGIN
/*!
Provides version comparison facilities for Sparkle.
*/
@protocol SUVersionComparison
/*!
An abstract method to compare two version strings.
Should return NSOrderedAscending if b > a, NSOrderedDescending if b < a,
and NSOrderedSame if they are equivalent.
*/
- (NSComparisonResult)compareVersion:(NSString *)versionA toVersion:(NSString *)versionB; // *** MAY BE CALLED ON NON-MAIN THREAD!
@end
NS_ASSUME_NONNULL_END
#endif
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