106 effect resume out emits correct zig

// Does resume-out (`-> *R<!state>`) emit CORRECT Zig even before the phantom
// checker honors the obligation? The `<!active>` must be stripped from the
// emitted resume type (emit `*Resource`, NOT `*Resource<!active>`).
const std = @import("std");
const Resource = struct { id: usize };
var global_r = Resource{ .id = 99 };

~pub event borrow { n: usize }
! lend usize -> *Resource<!active>
| done usize
~proc borrow|zig {
    for (0..n) |i| {
        const r = lend(i);
        std.debug.print("got {}\n", .{r.id});
    }
    return .{ .done = n };
}

~borrow(n: 3)
! lend _ |> &global_r
| done _ |> _