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use darling::FromMeta;
#[derive(FromMeta)]
struct Inner {
left: String,
right: String,
}
#[derive(FromMeta)]
struct Outer {
#[darling(flatten, multiple, with = demo, skip = true)]
field: Inner,
}
#[derive(FromMeta)]
struct ThisIsFine {
#[darling(flatten, multiple = false)]
field: Inner,
}
fn main() {}