The r-prefixed waves absorb the runtime, reject, and byte-compare rows of the migrated native carriers; each fixture is one directory with one case.ww and a //ww:error, //ww:compile, //ww:run, or //ww:run-exit directive covering both frontends.
18 lines
621 B
Plaintext
18 lines
621 B
Plaintext
//ww:error "#40: sret-class call result cannot be cursor-widened into a tagged slot (mem-to-mem widen unwired)"
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package main;
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type oops = !str;
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type nomem = !void;
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type wide = struct { xs: []u8, ys: []u8, n: i64 };
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type holder = struct { r: (wide | oops | nomem), k: i64 };
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fn mk(b: []u8) (wide | oops | nomem) = { return wide { xs = b, ys = b, n = 1 }; };
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export fn main() i32 = {
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let buf: [4]u8 = [1u8, 2u8, 3u8, 4u8];
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let h: holder = holder { r = mk(buf[0:4]), k = 5 };
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match (h.r) {
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case let w: wide => { if (w.n != 1) { return 1; }; };
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case let e: oops => return 13;
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case nomem => return 14;
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};
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return 0;
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};
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