45 lines
1.0 KiB
Rust
45 lines
1.0 KiB
Rust
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//@ known-bug: #118603
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//@ compile-flags: -Copt-level=0
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// ignore-tidy-linelength
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#![feature(generic_const_exprs)]
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#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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struct FlatTree;
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#[derive(Copy, Clone)]
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struct TreeLeaf;
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#[derive(Copy, Clone)]
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struct TreeNode<V, W>(V, W);
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const fn const_concat<const A: usize, const B: usize>(_: [FlatTree; A], _: [FlatTree; B]) -> [FlatTree; A + B] {
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[FlatTree; A + B]
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}
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struct Builder<const N: usize, I> {
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ops: [FlatTree; N],
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builder: I,
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}
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fn create_node<const N: usize, const M: usize, A, B>(a: Builder<N, A>, b: Builder<M, B>) -> Builder<{ N + M + 1 }, TreeNode<A, B>> {
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Builder {
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ops: const_concat(const_concat::<N, M>(a.ops, b.ops), [FlatTree]),
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builder: TreeNode(a.builder, b.builder),
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}
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}
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const LEAF: Builder<1, TreeLeaf> = Builder {
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ops: [FlatTree],
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builder: TreeLeaf,
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};
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static INTERNAL_SIMPLE_BOOLEAN_TEMPLATES: &[fn()] = &[{
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fn eval() {
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create_node(LEAF, create_node(LEAF, LEAF));
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}
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eval
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}];
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pub fn main() {}
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