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rust: Simplify item_tree() method by making the tree const

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Tobias Hunger 2022-03-21 11:32:40 +01:00 • committed by Tobias Hunger
parent cd932d8cf9
commit 0c952ddee7
1 changed files with 2 additions and 6 deletions
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8
internal/compiler/generator/rust.rs
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@ -1022,12 +1022,8 @@ fn generate_item_tree(
}
fn item_tree() -> &'static [slint::re_exports::ItemTreeNode] {
use slint::re_exports::*;
// FIXME: ideally this should be a const, but we can't because of the pointer to the vtable
static ITEM_TREE : slint::re_exports::OnceBox<
[slint::re_exports::ItemTreeNode; #item_tree_array_len]
> = slint::re_exports::OnceBox::new();
&*ITEM_TREE.get_or_init(|| Box::new([#(#item_tree_array),*]))
const ITEM_TREE : [slint::re_exports::ItemTreeNode; #item_tree_array_len] = [#(#item_tree_array),*];
&ITEM_TREE
}
fn item_array() -> &'static [vtable::VOffset<Self, ItemVTable, vtable::AllowPin>] {