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• CheckedFunction.java

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org.ethelred.util.function.CheckedFunction Maven / Gradle / Ivy

/* (C) 2024 */
package org.ethelred.util.function;

import java.util.function.Function;

/**
 * Checked wrapper for a Function.
 *
 * @param  The input type for the operation
 * @param  The return type for the operation
 * @param  A checked exception type that is thrown by the operation
 * */
public interface CheckedFunction {
    R apply(T t) throws E;

    default Function asUnchecked() {
        return t -> {
            try {
                return apply(t);
            } catch (Throwable e) {
                throw new WrappedCheckedException(e);
            }
        };
    }

    static  Function unchecked(CheckedFunction checkedFunction) {
        return checkedFunction.asUnchecked();
    }
}