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package com.github.markozajc.ef;
import javax.annotation.Nonnull;
/**
* Utilities for internal use within extended-functions
*
* @author Marko Zajc
*/
public class Utilities {
/**
* Rethrows a checked exception as unchecked using generics trickery (the exception
* is not changed or wrapped in a {@link RuntimeException} - it is thrown as-is).
*
* @param <X>
* the exception type
* @param ex
* the exception to throw as unchecked
*
* @return the exception itself to support {@code throws asUnchecked(e);}. Note that
* it is thrown in this method and nothing is ever returned
*
* @throws X
* the exception you provide. Always thrown.
*/
@SuppressWarnings("unchecked")
public static <X extends Throwable> RuntimeException asUnchecked(@Nonnull Throwable ex) throws X {
throw (X) ex;
}
private Utilities() {}
}
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