Files
sx/examples/errors/1022-errors-main-signature-reject.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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// Entry-point signature gate (ERR step E4.2). `main` must take no parameters
// and have one of: void, an integer (POSIX exit code), `-> !` (failable, no
// value), or `-> (int, !)` (failable + integer exit code). Anything else is a
// clean diagnostic — previously `main :: () -> string` SEGFAULTED (the JIT
// calls main as `() -> i32`, so a string return is read as garbage). Accepted
// shapes are exercised elsewhere (238 integer-exit truncation, 244 `-> !`,
// 245 `-> (int, !)`). This file is expected to FAIL compilation (exit 1).
//
// Run: ./zig-out/bin/sx run examples/239-main-signature-reject.sx
#import "modules/std.sx";
main :: () -> string { // ERROR: return type must be void, an integer, or `!`
return "not an exit code";
}