depends on the amount and location i would imagine. If you have a obviously visible amount, 1/8oz-1oz, i would lean towards the arrest. But if you have a blunt or two or some roaches in Denver or California, you could have a chance.

Never carry more than you can eat. I could eat 3-4 joints pretty quick. I probably couldn't eat more than 1/4oz before the cop knew what i was doing.