66bdc70bf1
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.
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
// any_to_string didn't handle optionals. A struct field of type `?T`
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// printed as `<?>` (any_to_string's "no case matched" default)
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// because there was no `case optional:` arm, and no dispatch table
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// entry mapping `?T` TypeIds to the optional category.
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//
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// The variadic auto-unwrap path (packVariadicCallArgs) papered over
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// this for direct `print("{}\n", opt)` calls — it stringified
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// optionals to either the inner value's repr or `"null"` BEFORE
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// boxing as Any. But anywhere else that boxes an optional and reads
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// it back through any_to_string (struct field printing,
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// `xx opt : Any`, future user code) hit the `<?>` floor.
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//
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// Locks in the fix: each ?T variant routes through `case optional:`
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// → `optional_to_string(cast(type) val)` → either the inner value's
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// `any_to_string` representation or the literal `"null"`.
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#import "modules/std.sx";
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S :: struct {
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a: ?i64;
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b: ?string;
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c: ?bool;
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}
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main :: () {
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filled := S.{ a = 42, b = "hi", c = true };
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print("{}\n", filled);
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empty := S.{ a = null, b = null, c = null };
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print("{}\n", empty);
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0;
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}
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