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fsm

package module

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Versions in this module

v1

v1.0.4

Aug 27, 2026

v1.0.3

May 7, 2025

Changes in this version

type AsyncError

+ func (e AsyncError) Unwrap() error

type CanceledError

+ func (e CanceledError) Unwrap() error

type NoTransitionError

+ func (e NoTransitionError) Unwrap() error

v1.0.2

Feb 13, 2024

v1.0.1

Feb 2, 2023

v1.0.0

Dec 11, 2022

Changes in this version

type AsyncError

+ CancelTransition func()

+ Ctx context.Context

type FSM

+ func (f *FSM) DeleteMetadata(key string)

v0

v0.3.0

Mar 8, 2021

Changes in this version

type FSM

+ func (f *FSM) Metadata(key string) (interface{}, bool)

+ func (f *FSM) SetMetadata(key string, dataValue interface{})

v0.2.0

May 15, 2020

Changes in this version

+ func VisualizeForMermaidWithGraphType(fsm *FSM, graphType MermaidDiagramType) (string, error)

+ func VisualizeWithType(fsm *FSM, visualizeType VisualizeType) (string, error)

+ type MermaidDiagramType string

+ const FlowChart

+ const StateDiagram

+ type VisualizeType string

+ const GRAPHVIZ

+ const MERMAID

+ const MermaidFlowChart

+ const MermaidStateDiagram

v0.1.0

Jan 16, 2019

Changes in this version

+ func Visualize(fsm *FSM) string

+ type AsyncError struct

+ Err error

+ func (e AsyncError) Error() string

+ type Callback func(*Event)

+ type Callbacks map[string]Callback

+ type CanceledError struct

+ Err error

+ func (e CanceledError) Error() string

+ type Event struct

+ Args []interface{}

+ Dst string

+ Err error

+ Event string

+ FSM *FSM

+ Src string

+ func (e *Event) Async()

+ func (e *Event) Cancel(err ...error)

+ type EventDesc struct

+ Dst string

+ Name string

+ Src []string

+ type Events []EventDesc

+ type FSM struct

+ func NewFSM(initial string, events []EventDesc, callbacks map[string]Callback) *FSM

+ func (f *FSM) AvailableTransitions() []string

+ func (f *FSM) Can(event string) bool

+ func (f *FSM) Cannot(event string) bool

+ func (f *FSM) Current() string

+ func (f *FSM) Event(event string, args ...interface{}) error

+ func (f *FSM) Is(state string) bool

+ func (f *FSM) SetState(state string)

+ func (f *FSM) Transition() error

+ type InTransitionError struct

+ Event string

+ func (e InTransitionError) Error() string

+ type InternalError struct

+ func (e InternalError) Error() string

+ type InvalidEventError struct

+ Event string

+ State string

+ func (e InvalidEventError) Error() string

+ type NoTransitionError struct

+ Err error

+ func (e NoTransitionError) Error() string

+ type NotInTransitionError struct

+ func (e NotInTransitionError) Error() string

+ type UnknownEventError struct

+ Event string

+ func (e UnknownEventError) Error() string