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// compile-flags: -O
// ::"core"::iter::Map<::"core"::iter::Chain<::"core"::iter::sources::Once<::"syntax"::ast::NodeId/*S*/,>/*S*/,::"core"::iter::Map<::"core"::slice::Iter<::"syntax"::codemap::Spanned<::"syntax"::ast::PathListItem_/*S*/,>/*S*/,>/*S*/,::"rustc"::closure_I_82<::"rustc"::hir::lowering::LoweringContext/*S*/,>/*S*/,>/*S*/,>/*S*/,::"rustc"::closure_I_83<::"rustc"::hir::lowering::LoweringContext/*S*/,>/*S*/,>
#[derive(Copy,Debug)]
struct NodeId(u32);
struct Ident(u32);
struct PathListItem_
{
i: Ident,
i2: Option<Ident>,
n: NodeId,
}
struct Span(u32, u32, u32);
struct Spanned<T>
{
v: T,
sp: Span,
}
#[derive(Copy,Debug)]
struct ItemId {
id: NodeId,
}
fn main()
{
// return iter::once(i.id).chain(imports.iter().map(|import| import.node.id)).map(|id| hir::ItemId { id: id }).collect();
//let list = [ Spanned { v: PathListItem_ { i: Ident(0), i2: None, n: NodeId(0) }, sp: Span(1,1,1) } ];
let list: [Spanned<PathListItem_>; 0] = [ ];
println!("{:?}", foo(0, &[]));
println!("{:?}", foo(0, &[ Spanned { v: PathListItem_ { i: Ident(0), i2: None, n: NodeId(0) }, sp: Span(1,1,1) } ]));
println!("{:?}", foo(0, &vec![]));
}
fn foo(n: u32, list: &[Spanned<PathListItem_>]) -> Vec<ItemId> {
Iterator::chain(
::std::iter::once(NodeId(0)),
list.iter().map(|v| v.v.n)
).map(|id| ItemId { id: id })
.collect()
}
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