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fix(migrate): 0.R4 - --prune keeps a state declared after a plain parameter; a parameter named twice is refused

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On Maroon Lake the prune gave home_keep_records(base_app_st, home_st, r: RunRecords, save_app_st) a
second save_app_st at the front, and every call a second argument: a state declared after a plain
parameter was not counted as declared. It is now, and a call to such a function is never given the
state again. `ludic build --check` let the duplicate through and clang refused it; the checker now
refuses a function that names two parameters alike (`add names two parameters n`).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-26 05:32:08 +03:00
parent 71735b10a2
commit c35481f344
8 changed files with 47291 additions and 46599 deletions
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LANGUAGE.md
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@ -318,7 +318,8 @@ migrate: 1804 vars into 126 states, 64 into lets; 23498 edits in 460 files
function nor anything it calls uses, and the argument that fills it at every call. An argument for a
parameter the callee no longer has goes too - a package's verb that dropped a state leaves its callers
passing one too many, and `ludic migrate state --prune <program>` puts them right. A reducer keeps its
state. When ludic.base's queues began keeping their own counts, every package verb lost its
state, and a state declared after a plain parameter (`home_keep(r: Records, save_st: mut Save)`) is
kept where it is. When ludic.base's queues began keeping their own counts, every package verb lost its
`base_st` this way (`wallet_earn(wallet_st, n)`, not `wallet_earn(base_st, wallet_st, n)`):
```
@ -399,7 +400,8 @@ What it holds apart: `int`, `float`, `fixed` and `bool` (a float or a fixed into
`int(x)`; a float and a fixed never meet but by a literal, which takes whichever kind its slot is);
text and numbers (`string(n)` or a template); one record type and another; slices of different
elements; functions of different types. A call gives exactly as many arguments as there are
parameters, a `return` gives the declared result, and `push` gives the slice's own element.
parameters, a `return` gives the declared result, and `push` gives the slice's own element. A
function names each parameter once (`add names two parameters n`).
`pointer` is untyped, as `void *` is in C: it goes wherever a reference is wanted and takes any
reference, and a `[]pointer` any slice of references. Restricting what a raw pointer may reach is