https://www.llvm.org/doxygen/BitVector_8h.html
LLVM: include/llvm/ADT/BitVector.h File Reference
h filellvmincludeadtbitvector
https://docs.rs/cool-bitvector/latest/cool_bitvector/
cool_bitvector - Rust
API documentation for the Rust `cool_bitvector` crate.
coolbitvectorrust