@@ -0,0 +1,549 @@
+package org.realityforge.arez.gwt.examples;%0A%0Aimport elemental2.dom.DomGlobal;%0Aimport javax.annotation.Nonnull;%0Aimport org.realityforge.arez.ArezContext;%0A%0Afinal class ExampleUtil%0A%7B%0A  private ExampleUtil()%0A  %7B%0A  %7D%0A%0A  static void logAllErrors( @Nonnull final ArezContext context )%0A  %7B%0A    context.addObserverErrorHandler( ( observer, error, throwable ) -%3E %7B%0A%0A      DomGlobal.console.log( %22Observer error: %22 + error + %22%5Cnobserver: %22 + observer );%0A      if ( null != throwable )%0A      %7B%0A        DomGlobal.console.log( throwable );%0A      %7D%0A    %7D );%0A  %7D%0A%7D%0A

Copy ExampleUtil so can use during GWT debugging