binius_core/piop/util.rs
1// Copyright 2024-2025 Irreducible Inc.
2
3pub struct ResizeableIndex<T> {
4 entries: Vec<T>,
5}
6
7impl<T: Default> ResizeableIndex<T> {
8 pub const fn new() -> Self {
9 Self {
10 entries: Vec::new(),
11 }
12 }
13
14 pub fn get_mut(&mut self, id: usize) -> &mut T {
15 if id >= self.entries.len() {
16 self.entries.resize_with(id + 1, T::default);
17 }
18 &mut self.entries[id]
19 }
20
21 pub fn into_vec(self) -> Vec<T> {
22 self.entries
23 }
24}