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sx/examples/types/0177-types-array-consts.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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// Array-typed `::` constants are IMMUTABLE GLOBALS: one storage, reads
// GEP it, the emitter marks it constant, dead-global elimination drops
// unused ones. Typed (`K : [4]i64 : .[...]`) and untyped (`A :: .[...]`,
// element type inferred — all ints i64; any float promotes the element
// type to f64 with ints converting exactly; bool/string homogeneous).
// Element shapes cover nested aggregates. Reads are normal array values:
// indexing, .len, by-value copies (independent of the const), passing to
// fixed-array params, and @-address (reads through *[4]i64 — issue 0117).
#import "modules/std.sx";
K : [4]i64 : .[11, 22, 33, 44];
A :: .[1, 2, 3];
M :: .[1, 2.2, 3];
F : [2]f64 : .[1, 2.5];
S :: .["alpha", "beta"];
B :: .[true, false, true];
P :: struct { x, y: i64; }
PTS : [2]P : .[P.{ x = 1, y = 2 }, P.{ x = 3, y = 4 }];
GRID : [2][2]i64 : .[.[1, 2], .[3, 4]];
sum :: (xs: [4]i64) -> i64 { xs[0] + xs[1] + xs[2] + xs[3] }
main :: () {
print("typed={} untyped={} len={}\n", K[2], A[1], K.len);
print("mixed={} {} {} intfloat={}\n", M[0], M[1], M[2], F[0]);
print("str={} bool={} pt={} grid={}\n", S[1], B[2], PTS[1].y, GRID[1][0]);
k := K;
k[0] = 99;
print("copy={} const={}\n", k[0], K[0]);
print("sum={}\n", sum(K));
p := @K;
print("via-ptr={}\n", p[2]);
}