mirror of https://github.com/zcash/halo2.git
Make RegionShape struct public
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@ -138,21 +138,39 @@ impl<'a, C: Chip, CS: Assignment<C::Field> + 'a> Layouter<C> for SingleChip<'a,
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}
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}
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/// The shape of a region. For a region at a certain index, we track
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/// the set of columns it uses as well as the number of rows it uses.
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#[derive(Debug)]
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struct RegionShape {
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pub struct RegionShape {
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region_index: usize,
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columns: HashSet<Column<Any>>,
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row_count: usize,
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}
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impl RegionShape {
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fn new(region_index: usize) -> Self {
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/// Create a new `RegionShape` for a region at `region_index`.
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pub fn new(region_index: usize) -> Self {
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RegionShape {
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region_index,
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columns: HashSet::default(),
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row_count: 0,
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}
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}
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/// Get the `region_index` of a `RegionShape`.
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pub fn region_index(&self) -> usize {
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self.region_index
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}
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/// Get a reference to the set of `columns` used in a `RegionShape`.
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pub fn columns(&self) -> &HashSet<Column<Any>> {
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&self.columns
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}
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/// Get the `row_count` of a `RegionShape`.
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pub fn row_count(&self) -> usize {
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self.row_count
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}
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}
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impl<C: Chip> RegionLayouter<C> for RegionShape {
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