[fpc-devel] Feature request/discussion - SetLengthNoInit
genericptr at gmail.com
Thu Sep 17 05:03:19 CEST 2020
> On Sep 17, 2020, at 9:59 AM, J. Gareth Moreton via fpc-devel <fpc-devel at lists.freepascal.org> wrote:
> type generic TMyArray<T> = record
> Data: ^T;
> Length: PtrUInt;
> The compiler will complain about T being an unresolved forward declaration. Outside of specifying a second parameter for the pointer type (which would be a little unfriendly for third-party users), there isn't really a way around this.
To be clear all the features work but it's not as optimized as dynamic arrays and could be cumbersome with arrays of records.
I think you're supposed to redeclare a pointer to T:
type generic TMyArray<T> = record
TP = ^T;
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