code: public static <T> T eq(T value) {
          reportMatcher(new Equals(value));
          if (value == null)
              return null;
          return (T) Primitives.defaultValue(value.getClass());
      }
docs: Object argument that is equal to the given value.
  
  <p>
  See examples in javadoc for {@link ArgumentMatchers} class
  </p>
  
  @param value the given value.
  @return <code>null</code>.