Hojun-Cho
d456263f7e
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
374 B
Plaintext
18 lines
374 B
Plaintext
//ww:run-exit 4
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package main;
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import encoding.utf8;
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fn classify(d: *utf8.decoder) int = {
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match (utf8.next(d)) {
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case let r: rune => return 1;
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case let dn: utf8.done => return 2;
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case let m: utf8.more => return 3;
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case let e: utf8.invalid => return 4;
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};
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return 0;
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};
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export fn main() int = {
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let s: []u8 = [255u8];
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let d = utf8.decode(s);
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return classify(&d);
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};
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