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lang: rename signed integer types sN -> iN

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Surface rename of the signed integer family: s1..s64 become i1..i64
(u1..u64, usize, isize unchanged). 'string' keeps the s-prefix arm in
name classification; width parsing moves to the i-prefix arm next to
isize.

Internal TypeId tags follow the surface (.s8/.s16/.s32/.s64 ->
.i8/.i16/.i32/.i64), as do mono-key mangle fragments (ptr_i64,
tu_i64_bool) and all display/diagnostic formatting (i{d}).

Migrated in the same sweep: stdlib + examples + issue repros + FFI C
companions (shared symbol names like ffi_id_i64), expected
stdout/stderr/ir snapshots, specs.md, readme.md, CLAUDE.md/AGENTS.md,
implementation_plan.md, docs/, issue writeups. Vendored stb_image and
historical flow state left untouched.

zig build test: 426/426; examples suite: 595/595.
This commit is contained in:
agra
2026-06-12 09:31:53 +03:00
parent 515ecebea7
commit d8076b9333
1054 changed files with 6836 additions and 6839 deletions
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18
examples/1040-errors-failable-closure-composition.sx
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@@ -12,23 +12,23 @@
E :: error { Neg }
bare :: (cb: (s64) -> (s64, !E), n: s64) -> s64 { return cb(n) catch (e) -1; }
chain :: (cb: Closure(s64) -> (s64, !E), n: s64) -> (s64, !E) { return try cb(n); }
bare :: (cb: (i64) -> (i64, !E), n: i64) -> i64 { return cb(n) catch (e) -1; }
chain :: (cb: Closure(i64) -> (i64, !E), n: i64) -> (i64, !E) { return try cb(n); }
dbl :: (x: s64) -> (s64, !E) { if x < 0 { raise error.Neg; } return x * 2; }
dbl :: (x: i64) -> (i64, !E) { if x < 0 { raise error.Neg; } return x * 2; }
main :: () -> s32 {
main :: () -> i32 {
// failable closure literal through a bare fn-type param (matching ABI)
print("bare ok={} err={}\n",
bare(closure((x: s64) -> (s64, !E) { if x < 0 { raise error.Neg; } return x * 2; }), 5),
bare(closure((x: s64) -> (s64, !E) => x * 2), -1)); // ok=10; err: arrow never raises → cb(-1) = -2
bare(closure((x: i64) -> (i64, !E) { if x < 0 { raise error.Neg; } return x * 2; }), 5),
bare(closure((x: i64) -> (i64, !E) => x * 2), -1)); // ok=10; err: arrow never raises → cb(-1) = -2
// Closure(...) param, try-propagated, then caught at the call site
print("chain ok={} err={}\n",
chain(closure((x: s64) -> (s64, !E) => x + 6), 4) catch (e) 0, // 10
chain(closure((x: s64) -> (s64, !E) { raise error.Neg; }), 1) catch (e) 0); // 0
chain(closure((x: i64) -> (i64, !E) => x + 6), 4) catch (e) 0, // 10
chain(closure((x: i64) -> (i64, !E) { raise error.Neg; }), 1) catch (e) 0); // 0
// NON-failable closure literal widened into the failable bare slot
print("widen={}\n", bare(closure((x: s64) -> s64 => x + 1), 9)); // 10
print("widen={}\n", bare(closure((x: i64) -> i64 => x + 1), 9)); // 10
return 0;
}