rust/src/test/run-pass/alt-join.rs

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Rust
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use std;
import std::option;
import std::option::t;
import std::option::none;
import std::option::some;
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fn foo[T](y: &option::t[T]) {
let x: int;
let rs: vec[int] = [];
/* tests that x doesn't get put in the precondition for the
entire if expression */
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if true {
} else { alt y { none[T]. { x = 17; } _ { x = 42; } } rs += [x]; }
ret;
}
fn main() { log "hello"; foo[int](some[int](5)); }