basic

package

v0.0.0-...-52cdf5e Latest Latest Go to latest Published: Dec 1, 2024 License: MIT Imports: 2 Imported by: 0

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func CanToCrash(state State) bool

CanToCrash returns value if state can be change to the ToCrash.

func CanToMoving(state State) bool

CanToMoving returns value if state can be change to the ToMoving.

func CanToStay(state State) bool

CanToStay returns value if state can be change to the ToStay.

func IsLastState(state State) bool

IsLastState return true if no futher transitions could be done from provided state.

type ProhibittedEventError struct {
	State string
	Event string
}

ProhibittedEventError is error that signals that Event can't be done from State.

func (e ProhibittedEventError) Error() string

type State string

stay --> moving moving --> crash moving --> stay moving --> moving

const (
	Crash  State = "crash"
	Moving State = "moving"
	Stay   State = "stay"
)

func Parse(state string) (State, error)

Parse returns corresponding state to the provided string, or error eitherise.

func ToCrash(state State) (State, error)

ToCrash returns new state if it can be reached or err otherise.

func ToMoving(state State) (State, error)

ToMoving returns new state if it can be reached or err otherise.

func ToStay(state State) (State, error)

ToStay returns new state if it can be reached or err otherise.

type UnknownStateError struct {
	State string
}

UnknownEventError is errror that provided state not exists.

func (e UnknownStateError) Error() string