System.Dynamic.DynamicMetaObject.BindSetIndex C# (CSharp) Method

        public virtual DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value)
        {
            ContractUtils.RequiresNotNull(binder, nameof(binder));
            return binder.FallbackSetIndex(this, indexes, value);
        }

 public override DynamicMetaObject FallbackSetIndex(
     DynamicMetaObject target,
     DynamicMetaObject[] indexes,
     DynamicMetaObject value,
     DynamicMetaObject errorSuggestion)
 {
     return target.BindSetIndex(this, indexes, value);
 }