33 lines
937 B
Java
33 lines
937 B
Java
package expression.common;
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import base.Functional;
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import base.Pair;
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import java.util.List;
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import java.util.function.BiFunction;
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import java.util.function.Function;
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/**
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* @author Georgiy Korneev (kgeorgiy@kgeorgiy.info)
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*/
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public record Expr<C, V>(Node<C> node, List<Pair<String, V>> variables) {
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public <T> List<Pair<String, T>> variables(final BiFunction<String, V, T> f) {
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return Functional.map(
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variables,
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variable -> variable.second(f.apply(variable.first(), variable.second()))
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);
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}
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public <T> Expr<C, T> convert(final BiFunction<String, V, T> f) {
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return of(node, variables(f));
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}
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public Expr<C, V> node(final Function<Node<C>, Node<C>> f) {
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return of(f.apply(node), variables);
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}
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public static <C, V> Expr<C, V> of(final Node<C> node, final List<Pair<String, V>> variables) {
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return new Expr<>(node, variables);
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}
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}
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