28 lines
687 B
Rust
28 lines
687 B
Rust
#[derive(Default, Clone)]
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pub struct ReorderedAttrs {
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count: usize,
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reorders: Vec<Option<u16>>,
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}
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impl ReorderedAttrs {
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pub fn new() -> ReorderedAttrs {
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ReorderedAttrs {
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count: 0,
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reorders: Vec::new(),
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}
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}
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pub fn insert_attribute(&mut self, attribute: u16) {
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self.reorders.resize(attribute as usize + 1, None);
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self.reorders[attribute as usize] = Some(self.count as u16);
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self.count += 1;
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}
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pub fn get(&self, attribute: u16) -> Option<u16> {
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match self.reorders.get(attribute as usize) {
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Some(Some(attribute)) => Some(*attribute),
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_ => None,
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}
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}
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}
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