//
//  Sington.h
//  CWAudioTool
//
//  Created by chavez on 2017/9/26.
//  Copyright © 2017年 chavez. All rights reserved.
//

#define singtonInterface  + (instancetype)shareInstance;



#define singtonImplement(class) \
\
static class *_shareInstance; \
\
+ (instancetype)shareInstance { \
\
if(_shareInstance == nil) {\
_shareInstance = [[class alloc] init]; \
} \
return _shareInstance; \
} \
\
+(instancetype)allocWithZone:(struct _NSZone *)zone { \
\
static dispatch_once_t onceToken; \
dispatch_once(&onceToken, ^{ \
_shareInstance = [super allocWithZone:zone]; \
}); \
\
return _shareInstance; \
\
}