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Answer prose round 1 and product-owner round 1: item 129 names every decision and surface it revises, folds FakeRecordTemplate too, keeps Fake's cost, and says where the old spelling meets an error

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Lilleman auf Larv
2026-10-06 22:02:58 +02:00
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@@ -239,15 +239,17 @@ Shape: T = table, t = template, c = choice.
### 129. Take a template wherever fejkdata renders, so `fejkdata '{/sv_SE.person}'`, `fake:"{/sv_SE.person.first}"` and `Fake("{/sv_SE.person}")` render, and text with no `{…}` prints as written.
Goal 5.9, which the maintainer set on 2026-10-06: a path is a second spelling of the template reading it.
Goal 5.9. Today a path is a second spelling of the template that reads it; afterwards only the template remains.
- A template of one reference alone is what it references, as a record column reading one reference already is. `--format json '{/users}'` prints the columns of `users`, `--format csv '{/misc.territory[SE]}'` that row, and `--table` defaults to the reference's last segment.
- `Fake`, `FakeRecord`, `NewTemplate` and `NewRecordTemplate` take a template. `FakeTemplate` folds into `Fake`, and `IsTemplate` goes.
- A template of one reference token and nothing else is what it references, as a record column reading one reference already is. `--format json '{/users}'` prints the columns of `users`, and `--format csv '{/misc.territory[SE]}'` that row. Under `--format sql` the default `--table` is the reference's last segment with selectors removed, `territory` for `{/misc.territory[SE]}`, where today a template defaults to `records`; item 40 lands with it.
- `Fake` and `FakeRecord` take a template. `FakeTemplate` folds into `Fake`, `FakeRecordTemplate` into `FakeRecord`, and `IsTemplate` goes, with `grammar.IsTemplate` and the lone-reference refusal.
- `Fake` of a lone reference costs what `Fake` of its path costs today, and the allocation gate holds a case for it.
- `List` and `--list` give each entry as the template that renders it, `{/sv_SE.person}`.
- Text with no `{…}` prints as written (goal 5.1), so `fejkdata sv_SE.person` prints `sv_SE.person`.
- An unknown reference exits 2, per the decision "An inline template that does not compile is misuse (exit 2), including a reference that resolves to nothing".
- The lone-reference refusal, the leading-`/` refusal and the path branch of `grammar.IsTemplate` go.
- This revises the decisions "An argument is a template by its shape, not by a flag", "`FakeTemplate` and `NewTemplate` both stay" and "`--list` stays a plain list of paths". The README's examples, the CLI's usage text and `CHANGELOG.md`'s Breaking section move to the template spelling.
- Text that is not a JSON value and holds no `{` or `}` prints as written (goal 5.1), so `fejkdata sv_SE.person` prints `sv_SE.person`. A struct tag's `-` still skips its field.
- Where text with no `{…}` is refused, as a record or in a typed struct field, and it spells a path the data offers, the error names `{/that.path}`.
- An unknown reference exits 2, where an unknown path exits 1 today.
- The README's CLI section says in one line how to quote a template in each shell family, PowerShell and cmd.exe included.
- This revises the decisions "An argument is a template by its shape, not by a flag", "`FakeTemplate` and `NewTemplate` both stay", "`--list` stays a plain list of paths", and the exit-1 rule for an unknown path in "An inline template that does not compile is misuse (exit 2), including a reference that resolves to nothing". The README's examples and exit codes, the godoc examples in `doc.go`, the CLI's usage text and header comment, and `CHANGELOG.md`'s entries move to the template spelling. Delete item 110, which this closes.
Split it into items for the CLI, struct tags and the library before starting.