28 lines
795 B
Go
28 lines
795 B
Go
// Package runtime provides the abstract Reducer interface for all expression
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// reduction strategies.
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package runtime
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import (
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"git.maximhutz.com/max/lambda/pkg/emitter"
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"git.maximhutz.com/max/lambda/pkg/repr"
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)
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// Runtime defines the interface for expression reduction strategies.
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// Different evaluation modes (normal order, applicative order, SKI combinators,
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// etc.) implement this interface with their own reduction logic.
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//
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// Runtimes also implement the Emitter interface to allow plugins to observe
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// reduction lifecycle events (Start, Step, Stop).
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type Runtime interface {
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emitter.Emitter[Event]
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// Run a single step. Returns whether the runtime is complete or not.
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Step() bool
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// Run until completion.
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Run()
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// Copy the state of the runtime.
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Expression() repr.Repr
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}
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