M.V. Hutz
eba2182151
Introduce pkg/expr.Expression as a base interface for all evaluatable expression types, enabling future support for multiple evaluation modes (SKI combinators, typed lambda calculus, etc.). - Add pkg/expr/expr.go with Expression interface requiring String() method. - Update lambda.Expression to embed expr.Expression. - Add String() method to Abstraction, Application, and Variable types. - Update plugins to use String() instead of lambda.Stringify().
12 lines
484 B
Go
12 lines
484 B
Go
// Package expr provides the abstract Expression interface for all evaluatable
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// expression types in the lambda interpreter.
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package expr
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// Expression is the base interface for all evaluatable expression types.
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// Different evaluation modes (lambda calculus, SKI combinators, typed lambda
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// calculus, etc.) implement this interface with their own concrete types.
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type Expression interface {
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// String returns a human-readable representation of the expression.
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String() string
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}
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