Delphi array copy isolation
Two array variables may still share their storage. Arraydeck brings Delphi source files and an AI conversation together on Windows so you can inspect copy boundaries and review edits to array-handling code.
function ChangedCopy(const Values: TArray<Integer>;
Next: Integer): TArray<Integer>;
begin
Result := System.Copy(Values, 0, Length(Values));
if Length(Result) > 0 then
Result[0] := Next;
end;| Review before applying | Compare actual behavior with the expected result. If a check fails, investigate it before applying more changes. |
|---|---|
| Connection | Base URL, credentials and a reachable server. |
| Project | Check an empty source and modify the copy of a nonempty source, confirming the original array retains its value. |
function ChangedCopy(const Values: TArray<Integer>;
Next: Integer): TArray<Integer>;
begin
Result := System.Copy(Values, 0, Length(Values));
if Length(Result) > 0 then
Result[0] := Next;
end;Understand what a Delphi edit changes for its callers
Arraydeck gives Delphi maintenance a Windows AI coding workspace with a project folder and conversation. Start by naming the routine you want to change and the behavior its callers depend on. Ask the connected model to inspect that relationship before suggesting edits, especially when an apparently local mutation could affect data held elsewhere.
For example, a task may require changing the first element of a copied dynamic array while preserving the source. Bring the routine and a caller into the discussion, and state what should happen with empty input. The useful software workflow is to connect that requirement to the proposed change, rather than accept a copy operation without examining its effect.
Review the resulting diff alongside a small fixture from your project. Modify the returned array and check that the original retains its value; exercise the empty case separately. If the real data contains references or nested structures, explain those types before extending the task. Run the Delphi checks in your development environment so the review rests on actual behavior.
Configure an OpenAI-compatible or Anthropic endpoint supported by Arraydeck, with credentials when required. Where the endpoint offers an unrestricted AI model, you can select it for the conversation. Model and server determine restrictions, tools and context capacity; no model label substitutes for inspecting ownership and testing the compiled result.
Questions for a Delphi array maintenance task
- Which caller should accompany the array routine?
Choose one that retains or reuses the source after calling the routine. It makes the preservation requirement observable. Include the relevant type declaration as well, so the proposed edit is reviewed against the actual element type in your project.
- Does copying an integer array prove every structure is isolated?
No. The example concerns integer elements. If your array contains objects, references or nested data, specify which parts must be independent and inspect those types. Do not generalize a passing integer fixture into a guarantee about the whole application.
- How should the empty case appear in my request?
State the expected return value and whether the routine should perform any mutation when there is no first element. Then check that behavior in your Delphi environment. A clear empty-input requirement keeps the proposed patch from inventing an exception policy.
- Can I review without immediately accepting the edit?
Begin with an explanation of the current data flow and request a focused proposal afterward. Read the affected source and run the relevant checks before relying on it. The conversation can clarify a change while the acceptance decision remains yours.
Arraydeck · Updated 2026-10-25