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docs: tuple syntax cutover — Tuple(...) type, .(...) value, channel-outside-Tuple failables

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Rewrite specs.md tuple/failable/pack/UFCS/grammar sections to the new
syntax, update readme.md, and refresh stale tuple references in example
header comments. Also fixes two pre-existing doc inaccuracies surfaced in
review: drop the value-discarding `;` in the tuple-return examples, and
correct the §13 function-type grammar production (optional param list +
optional trailing `!` channel). Optional semantics unchanged.

current/CHECKPOINT-LANG.md logs the cutover.
This commit is contained in:
agra
2026-06-25 18:41:22 +03:00
parent 1dfc22794e
commit 40b5fb5f7e
17 changed files with 184 additions and 103 deletions
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6
examples/packs/0541-packs-pack-to-protocol-tuple.sx
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@@ -1,7 +1,7 @@
// Phase 6 — `c.sources = (..sources)`: materialize a pack into a
// Phase 6 — `c.sources = .(..sources)`: materialize a pack into a
// protocol-typed tuple field, erasing each concrete pack element to the field's
// protocol slot. The pack `..sources: VL` holds concrete cells; `(..sources)`
// into a `(..VL(Ts))` field `xx`-erases each to its `VL(Ti)` value.
// protocol slot. The pack `..sources: VL` holds concrete cells; `.(..sources)`
// into a `Tuple(..VL(Ts))` field `xx`-erases each to its `VL(Ti)` value.
#import "modules/std.sx";