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• 6.0-rc1
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• SizedCollector.java

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io.activej.serializer.stream.SizedCollector Maven / Gradle / Ivy

package io.activej.serializer.stream;

public interface SizedCollector {
	default R create0() {
		A acc = accumulator(0);
		return result(acc);
	}

	default R create1(T item) {
		A acc = accumulator(1);
		accumulate(acc, 0, item);
		return result(acc);
	}

	A accumulator(int size);

	void accumulate(A accumulator, int index, T item);

	R result(A accumulator);

}