rust/src/test/run-pass/size-and-align.rs

// -*- rust -*-
tag clam<T> { a(T, int); b; }

fn uhoh<T>(v: &[clam<T>]) {
    alt v[1] {
      a::<T>(t, u) { log "incorrect"; log u; fail; }
      b::<T>. { log "correct"; }
    }
}

fn main() {
    let v: [clam<int>] = [b::<int>, b::<int>, a::<int>(42, 17)];
    uhoh::<int>(v);
}