Files
sx/examples/0536-packs-pack-as-value.sx
agra d8076b9333 lang: rename signed integer types sN -> iN
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.
2026-06-12 09:31:53 +03:00

26 lines
880 B
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// Step 2.7 — pack-as-value diagnostics. A pack is comptime-only (Decision 1),
// so using the bare pack name where a runtime value is required is an error,
// with a context-tailored suggestion. All four categories below fire (the
// functions are monomorphized when called from main).
#import "modules/std.sx";
Show :: protocol { show :: () -> string; }
A :: struct {}
impl Show for A { show :: (self: *A) -> string => "A"; }
sink :: (v: i64) -> void { _ = v; }
storage :: (..xs: Show) -> void { y := xs; _ = y; } // A: store
call :: (..xs: Show) -> void { sink(xs); } // B: pass to a call
ret :: (..xs: Show) -> i64 { return xs; } // C: return
iter :: (..xs: Show) -> void { for xs (x) { _ = x; } } // D: runtime iterate
main :: () -> i32 {
storage(A.{});
call(A.{});
_ = ret(A.{});
iter(A.{});
0
}