//
//  NSArray+Safe.m
//  RuiZhi
//
//  Created by RD on 2020/6/16.
//  Copyright © 2020 RDIOT. All rights reserved.
//

#import "NSArray+Safe.h"

@implementation NSArray (Safe)

- (id)objectAtIndexSafe:(NSUInteger)index{
    if (index < self.count) {
        return [self objectAtIndex:index];
    }else{
        NSLog(@"%s 数组越界～～", __func__);
        return nil;
    }
}
@end



@implementation NSMutableArray (Safe)

- (id)objectAtIndexSafe:(NSUInteger)index{
    if (index < self.count) {
        return [self objectAtIndex:index];
    }else{
        NSLog(@"%@ 数组越界～～", [self class]);
        return nil;
    }
}


- (void)addObjectSafe:(id)anObject{
    if (anObject != nil && [anObject isKindOfClass:[NSNull class]] == NO) {
        [self addObject:anObject];
    } else {
        NSLog(@"%@ 数组插入nil～～", [NSThread callStackSymbols]);
        
    }
}
@end