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sx/examples/diagnostics/1178-diagnostics-infinite-size-self-reference.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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// Diagnostic: a type that contains ITSELF by value has no finite size and must
// be rejected loudly (not infinite-loop the size computation into a crash). A
// pointer payload (`*Tree`) would break the cycle and is the fix the message
// suggests. Covers both source decls and comptime-constructed types — this is
// the source form (regression for issue 0139).
#import "modules/std.sx";
Tree :: enum {
node: Tree; // by-VALUE self-reference → infinitely sized
leaf;
}
main :: () -> i32 {
t : Tree = .leaf;
return 0;
}