36 lines
708 B
Rust
36 lines
708 B
Rust
use std;
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import comm::chan;
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import comm::send;
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fn main() { test05(); }
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type pair<A,B> = { a: A, b: B };
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fn make_generic_record<A: copy, B: copy>(a: A, b: B) -> pair<A,B> {
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ret {a: a, b: b};
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}
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fn test05_start(&&f: fn~(&&float, &&str) -> pair<float, str>) {
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let p = f(22.22f, "Hi");
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log(debug, p);
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assert p.a == 22.22f;
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assert p.b == "Hi";
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let q = f(44.44f, "Ho");
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log(debug, q);
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assert q.a == 44.44f;
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assert q.b == "Ho";
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}
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fn spawn<A: copy, B: copy>(f: native fn(fn~(A,B)->pair<A,B>)) {
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let arg = fn~(a: A, b: B) -> pair<A,B> {
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ret make_generic_record(a, b);
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};
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task::spawn {|| f(arg); };
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}
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fn test05() {
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spawn::<float,str>(test05_start);
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}
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