E2571 Type parameter '%s' doesn't have class or interface constraint (Delphi)
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This occurs when the type constraint is not an interface or class type.
program E2571;
{E2571 Type parameter '%s' doesn't have a class or interface constraint}
{$APPTYPE CONSOLE}
uses
SysUtils;
type
MyRec<T> = record
a: array [1..T] of Logint;
end;
begin
end.