Godeps/_workspace/src/gopkg.in/mgo.v2/txn/chaos.go
func SetChaos(c Chaos) {
	chaosSetting = c
	chaosEnabled = c.KillChance > 0 || c.SlowdownChance > 0
}
func SetChaos(c Chaos) {
	chaosSetting = c
	chaosEnabled = c.KillChance > 0 || c.SlowdownChance > 0
}
// SetChaos sets the failure injection parameters to c.