A ants bot for AIChallenge By Golang

ants.go

package main

import (
	"os"
    "rand"
)

type MyBot struct {
    orders     map[Location]Location
}

//NewBot creates a new instance of your bot
func NewBot(s *State) Bot {
	mb := &MyBot{
        orders: make(map[Location]Location),
	}
	return mb
}

//DoTurn is where you should do your bot's actual work.
func (mb *MyBot) DoTurn(s *State) os.Error {
	dirs := []Direction{North, East, South, West}
	for loc, ant := range s.Map.Ants {
		if ant != MY_ANT {
			continue
		}

		//try each direction in a random order
        p := rand.Perm(4)
        for _, i := range p {
            d := dirs[i]
			loc2 := s.Map.Move(loc, d)
            //item := s.Map.itemGrid[loc]
			if s.Map.SafeDestination(loc2) {
                if _, is := mb.orders[loc2]; !is {
                    s.IssueOrderLoc(loc, d)
                    mb.orders[loc2] = loc
                }
				//there's also an s.IssueOrderRowCol if you don't have a Location handy
				break
			}
		}
	}
	//returning an error will halt the whole program!
	return nil
}