/// <summary>
/// Execute the break.
/// </summary>
public object VisitBreak(BreakExpr expr)
{
var loop = expr.FindParent<ILoop>();
if (loop == null)
throw new LangException("syntax error", "unable to break, loop not found", string.Empty, 0);
loop.DoBreakLoop = true;
return LObjects.Null;
}
