Changes in version 0.1.0                        

New Features

  - rust_subset_genes() — HashSet-based gene filtering, O(n+m) vs R's
    O(n×m)
  - rust_wilcoxon_filter() — parallel Wilcoxon rank-sum test with tie
    correction using Rayon, 183x faster than base R on 2,000 genes × 200
    cells
  - rust_match_lr_pairs() — HashSet-based ligand-receptor pair matching

Validation

  - All three functions validated on real CellChatDB.human (3,233
    interactions)
  - 16 unit tests — all passing
  - R CMD check — zero errors, zero warnings