22 lines
456 B
Rust
22 lines
456 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](&option::t[T] y) {
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let int x;
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let vec[int] rs = [];
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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 {
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alt (y) { case (none[T]) { x = 17; } case (_) { x = 42; } }
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rs += [x];
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}
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ret;
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}
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fn main() { log "hello"; foo[int](some[int](5)); } |