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Within the routine definition the {{code|array of const|delphi}} is an {{code|array of TVarRec|delphi}}, an [[Array (data type)|array]] of [[variant record]]s.<ref name="delphi">{{cite web|url=https://docwiki.embarcadero.com/RADStudio/Alexandria/en/Parameters_(Delphi)#Variant_Open_Array_Parameters|title=Parameters (Delphi)|access-date=2023-08-28}}</ref>
The {{code|VType|delphi}} member of the aforementioned {{code|record|delphi}} data type allows inspection of the argument’s data type and subsequent appropriate handling.
The [[Free Pascal Compiler]] supports Delphi’s variadic routines, too.<ref name="fpc">{{cite web|url=https://www.freepascal.org/docs-html/3.2.0/ref/refsu68.html|title=Free Pascal - Reference guide|access-date=2023-08-28}}</ref>
This implementation, however, technically requires a ''single'' argument, that is an {{code|array|pascal}}.
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