The minesweeper(grid) function in solver.rs can be called to solve the minesweeper board given the location of mines. An X denotes a mine, a - denotes no mine. The board must be square and should be fed in as a continuous stream left to right, then down the page rather than as a multidimensional collection.
Unit tests can be run using cargo. If you're not a rust user, then the following commands will run the unit tests:
# Install rust
brew install rustup
rustup-init
# Run tests
cargo test
A working game can also be played in main.rs using:
cargo run