com.github.basking2.sdsai.itrex.packages.IteratorPackage Maven / Gradle / Ivy

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An S-Expression inspiried library focused on iterators.

There is a newer version: 1.1.23

package com.github.basking2.sdsai.itrex.packages;

import com.github.basking2.sdsai.itrex.Evaluator;
import com.github.basking2.sdsai.itrex.functions.FlattenFunction;
import com.github.basking2.sdsai.itrex.functions.FunctionInterface;

/**
 * This package groups functions that operate on iterators or lists.
 */
public class IteratorPackage implements Package {
    @Override
    public void importTo(final Evaluator evaluator, final String packageName) {
        if (packageName == null || packageName.isEmpty()) {
            evaluator.register("flatten", new FlattenFunction());
        }
        else {
            evaluator.register(packageName + ".flatten", new FlattenFunction());
        }

        importFlatten2(evaluator, packageName);
    }

    /**
     * Build and register the "flattten2" function.
     *
     * This requires the curry and flatten functions to already be registered.
     *
     * @param evaluator The evaluator to register flatten2 against.
     */
    public void importFlatten2(final Evaluator evaluator, final String packageName) {

        @SuppressWarnings("unchecked")
        final FunctionInterface