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sx/examples/types/0147-types-zero-count-context.sx
agra 66bdc70bf1 test: group examples into per-category folders
Move examples/*.sx and their expected/ snapshots into per-category
subfolders (examples/<category>/...). Folder = leading filename token,
with ffi-objc/ffi-jni kept whole; filenames are unchanged. The corpus
runner and LSP sweep now discover each category's expected/ dir, while
issues/ stays flat. Example 1058's repo-root-relative companion import
is made file-relative. Path strings embedded in 164 snapshots were
regenerated (path-only changes). Test-layout docs in CLAUDE.md updated.
2026-06-21 14:41:34 +03:00

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// Zero is a context-dependent count. An array dimension and a generic
// value-param count both ACCEPT zero — `[0]T` is a valid empty (zero-length)
// array, and `Box(0)` is a length-0 instantiation. (A `Vector` lane count
// rejects zero — see 1505.) This pins the zero-accepting half of the
// context-dependent count rule documented in specs.md (Array Types).
//
// Regression (F0.4 attempt 12): the spec previously claimed every count must be
// "positive integral", which wrongly implied `[0]T` / `Box(0)` are illegal.
#import "modules/std.sx";
Box :: struct($N: u32) { items: [N]i64; }
main :: () {
a : [0]i64 = ---;
print("array_dim={}\n", a.len);
b : Box(0) = ---;
print("value_param={}\n", b.items.len);
}