32 lines
584 B
Go
32 lines
584 B
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package machine
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type Modeler interface {
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Trigger(transition Transitioner) error
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ChangeState(target State) State
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InspectState() State
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}
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type Model struct {
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state State
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}
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func NewModel(initial State) Modeler {
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return &Model{state: initial}
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}
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func (m *Model) Trigger(transition Transitioner) error {
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return transition.Run(m)
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}
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func (m *Model) ChangeState(target State) State {
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oldState := m.state
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m.state = target
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return oldState
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}
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func (m *Model) InspectState() State {
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return m.state
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}
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