REO Factory

■NSNumberへ変換
・short
　NSNumber *number = [NSNumber numberWithShort:(short)];
・int
　NSNumber *number = [NSNumber numberWithInt:(int)];
・NSInteger
　NSNumber *number = [NSNumber numberWithInteger:(NSInteger)];
・long
　NSNumber *number = [NSNumber numberWithLong:(long)];
・float 
　NSNumber *number = [NSNumber numberWithFloat:(float)];
・double
　NSNumber *number = [NSNumber numberWithDouble:(double)];
・BOOL
　NSNumber *number = [NSNumber numberWithBool:(BOOL)];
・char
　NSNumber *number = [NSNumber numberWithChar:(char)];