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sx/examples/errors/1029-errors-failable-or-chain-propagate.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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// Failable `or` chain propagation (ERR step E2.4b). When every operand of a
// `try … or try …` chain fails and there is no value terminator, the final
// failure propagates to the enclosing function — here `main`, so the E4.2
// entry-point wrapper prints the unhandled-error header + return trace to
// stderr and exits 1. Each failed attempt contributes its `raise` frame plus
// the chain-attempt frame, so three all-failing attempts leave six frames
// (locations are placeholders until DWARF / E3.0). Expected exit code: 1.
#import "modules/std.sx";
E :: error { A };
fa :: (n: i32) -> (i32, !E) {
if n == 0 { raise error.A; }
return n;
}
main :: () -> (i32, !E) {
v := try fa(0) or try fa(0) or try fa(0); // all fail → propagate to main
return v;
}