Delphi Compiler Error
E2514 Type parameter ‘%s’ must support interface ‘%s’
Reason for the Error & Solution
This occurs when the type constraint for T is not satisfied (here, to implement IComparable).
program E2514;
{$APPTYPE CONSOLE}
uses
SysUtils;
type
TMyClass = class
end;
IMyGenericInterface<T: IComparable> = interface
end;
var
genVar: IMyGenericInterface<TClass>;
begin
Writeln('E2514 Type parameter ''%s'' must support interface ''%s''');
end.
