@Override
protected void generateDefault() throws CompilerException
{
final ExpressionCompiler retCompiler = expressionCompiler( node.getDataType() );
if (null != node.fold().whenEmpty()) {
retCompiler.compile( node.fold().whenEmpty() );
}
else {
retCompiler.compileZero();
}
mv().visitInsn( retCompiler.typeCompiler().returnOpcode() );