Files
sx/examples/1167-diagnostics-call-arity-mismatch.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

27 lines
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// Wrong argument counts to fixed-arity functions are rejected at the call
// site — bare calls, flat-imported stdlib fns, method dot-calls, and ufcs
// dot-calls — instead of reaching LLVM verification ("Incorrect number of
// arguments passed to called function!").
// Regression (issue 0123).
#import "modules/std.sx";
add2 :: (a: i64, b: i64) -> i64 { return a + b; }
Point :: struct {
x: i64;
scaled :: (self: Point, k: i64) -> i64 { return self.x * k; }
}
bump :: ufcs (p: Point, by: i64) -> i64 { return p.x + by; }
main :: () -> i32 {
_ = add2(1, 2, 3); // plain bare call, too many
_ = add2(1); // plain bare call, too few
_ = concat("a", "b", "c"); // flat-imported stdlib fn, too many
p := Point.{ x = 5 };
_ = p.scaled(2, 9); // method dot-call, too many
_ = p.bump(1, 2); // ufcs dot-call, too many
return 0;
}