32 lines
984 B
Plaintext
32 lines
984 B
Plaintext
//ww:run
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package main;
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// migrated from test/wcc/929_match_4arm_cross_module_run.c: canonical 4-arm — caller fn `next` shadows callee a.next; every arm body must fire (#31 fnretlookupmod).
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package a;
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export type more = void;
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export type invalid = !void;
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export type done = void;
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export fn next(k: i32) (rune | done | more | invalid) = {
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if (k == 0) { return 0x41u32: rune; };
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if (k == 1) { let v: done; return v; };
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if (k == 2) { let v: more; return v; };
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let v: invalid; return v;
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};
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package b;
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import a;
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type done = void;
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fn next(k: i32) i32 = {
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match (a.next(k)) {
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case let r: rune => return 100i32 + (r: i32);
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case let dn: a.done => return 200;
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case let m: a.more => return 300;
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case let e: a.invalid => return 400;
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};
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};
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export fn main() i32 = {
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if (next(0) != 165) { return 11; };
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if (next(1) != 200) { return 12; };
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if (next(2) != 300) { return 13; };
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if (next(3) != 400) { return 14; };
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return 0;
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};
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