package comby-kernel

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  1. Rule
package comby-kernel
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Rule

Defines types and operations for match rules.

type t
type result
val sat : result -> bool

sat result returns true if a result of a rule is satisfied.

val result_env : result -> Match.environment option

result_env returns a match environment associated with a rule result.

val create : string -> t Core_kernel.Or_error.t

create parses and creates a rule.

val apply : ?matcher:(module Matchers.Matcher.S) -> ?substitute_in_place:bool -> ?fresh:(unit -> string) -> t -> Match.environment -> result

apply matcher substitute_in_place fresh rule env applies a rule according to some matcher for existing matches in env. If substitute_in_place is true, rewrite rules substitute their values in place (default true). fresh introduces fresh variables for evaluating rules.

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