NSNull+OVNatural.m

//
// Created by kazuma.ukyo on 12/27/12.
//
// To change the template use AppCode | Preferences | File Templates.
//

#import "NSNull+OVNatural.h"

@implementation NSNull (OVNatural)

- (void)forwardInvocation:(NSInvocation *)invocation
{
    if ([self respondsToSelector:[invocation selector]]) {
        [invocation invokeWithTarget:self];
    }
}

- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector
{
    NSMethodSignature *sig = [[NSNull class] instanceMethodSignatureForSelector:selector];
    if(sig == nil) {
        sig = [NSMethodSignature signatureWithObjCTypes:"@^v^c"];
    }
    return sig;
}


@end