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sx/examples/modules/0709-modules-issue-0056-diamond-param-impl.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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// Regression (issue 0056): a parameterised-protocol (`Into`) impl living in a
// module reached through more than one import path must register exactly once.
//
// main ─┬─ issue-0056/mid_a ─┐
// └─ issue-0056/mid_b ─┴─ issue-0056/common (holds `impl Into(Wrapped) for i64`)
//
// Impl blocks are anonymous (no `declName`), so before the fix the diamond
// dedup in imports.zig appended the cached node once per path and the second
// registration tripped: `duplicate impl 'Into' for source 'i64'`. Now the flat
// decl list also dedups by node identity, so this builds and prints 7.
#import "modules/std.sx";
// `Wrapped` lives in the shared `common.sx`; bare-import visibility is
// non-transitive, so naming it here means importing it here (not via mid_a/b).
#import "0709-modules-issue-0056/common.sx";
#import "0709-modules-issue-0056/mid_a.sx";
#import "0709-modules-issue-0056/mid_b.sx";
main :: () -> i32 {
w : Wrapped = xx 7;
print("{}\n", w.v);
0
}