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package org.graalvm.word;

Marker interface for all word types that have the semantic of a pointer (but not necessarily all the memory access methods defined in Pointer). 
Since:
19.0/**
 * Marker interface for all {@link WordBase word types} that have the semantic of a pointer (but not
 * necessarily all the memory access methods defined in {@link Pointer}).
 *
 * @since 19.0
 */
public interface PointerBase extends ComparableWord {

    
Returns true if this pointer is the null pointer. 
Since:
19.0/**
     * Returns true if this pointer is the {@link WordFactory#nullPointer null pointer}.
     *
     * @since 19.0
     */
    boolean isNull();

    
Returns true if this pointer is not the null pointer. 
Since:
19.0/**
     * Returns true if this pointer is not the {@link WordFactory#nullPointer null pointer}.
     *
     * @since 19.0
     */
    boolean isNonNull();
}