Files
sx/examples/1133-diagnostics-array-dim-negative-float.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

13 lines
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// A NEGATIVE integral float (`-2.0`) used as an array dimension is a hard error.
// The integral-float rule folds and negates it to `-2`, then the shared u32 dim
// gate rejects a below-minimum dimension — a clean diagnostic + non-zero exit.
//
// Regression (F0.4 attempt 8, Agra ruling): integral floats fold, but a negative
// result is still rejected (a dimension must be non-negative).
#import "modules/std.sx";
main :: () {
a : [-2.0]i64 = ---;
print("unreachable: {}\n", a.len);
}