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state

package module

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Versions in this module

v0

v0.0.4

Aug 20, 2026

v0.0.3

Aug 15, 2026

Changes in this version

+ var ErrStopped = errors.New("machine stopped")

+ type Builder struct

+ func (b *Builder[S, C]) After[A any](s S, d time.Duration, a A)

+ func (b *Builder[S, C]) Enter(s S, fn func(ctx context.Context, m *Machine[S, C]))

+ func (b *Builder[S, C]) Final(states ...S)

+ func (b *Builder[S, C]) Invoke[CS comparable, CC any](at S, start func(*C) *Machine[CS, CC], done func(*C, CS, CC) (S, error))

+ func (b *Builder[S, C]) On[A any](from S, fn func(*C, A) (S, error))

+ type ChildDone struct

+ Ctx any

+ State any

type Machine

+ func (m *Machine[S, C]) Done() <-chan struct{}

+ func (m *Machine[S, C]) Read[R any](fn func(S, *C) R) R

+ func (m *Machine[S, C]) Result() (S, C)

+ func (m *Machine[S, C]) Send[A any](a A)

+ func (m *Machine[S, C]) Spawn[CS comparable, CC any](child *Machine[CS, CC], done func(*C, CS, CC) (S, error))

+ func (m *Machine[S, C]) Stop()

+ func (m *Machine[S, C]) Trace(fn func(from S, action any, to S))

+ type Spec struct

+ func Define[S comparable, C any](wire func(*Builder[S, C])) *Spec[S, C]

+ func (sp *Spec[S, C]) Run(initial S, ctx C) *Machine[S, C]

v0.0.2

Aug 1, 2026

Changes in this version

type Machine

+ func (m *Machine[S, C]) Enter(s S, fn func(ctx context.Context))

v0.0.1

Jul 21, 2026

Changes in this version

+ var ErrInvalid = errors.New("action not valid in current state")

+ type Machine struct

+ func New[S comparable, C any](initial S, ctx C) *Machine[S, C]

+ func (m *Machine[S, C]) Do[A any](a A) (S, error)

+ func (m *Machine[S, C]) On[A any](from S, fn func(*C, A) (S, error))

+ func (m *Machine[S, C]) State() S

+ func (m *Machine[S, C]) Wait(cond func(S, *C) bool)