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