rust/src/test/run-pass/nested-pattern.rs

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// a bug was causing this to complain about leaked memory on exit
use std;
import std.option;
import std.option.some;
import std.option.none;
tag t {
foo(int, uint);
bar(int, option.t[int]);
}
fn nested(t o) {
alt (o) {
case (bar(?i, some[int](_))) {
log_err "wrong pattern matched";
fail;
}
case (_) {
log_err "succeeded";
}
}
}
fn main() {
nested (bar (1, none[int]));
}