musichoard/README.md

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# Music Hoard
## Code Coverage
### Pre-requisites
``` sh
rustup component add llvm-tools-preview
cargo install grcov
```
### Generating Code Coverage
```sh
cargo clean
env RUSTFLAGS="-C instrument-coverage" \
LLVM_PROFILE_FILE="target/debug/profraw/musichoard-%p-%m.profraw" \
cargo test
grcov target/debug/profraw \
--binary-path ./target/debug/ \
--output-types html \
--source-dir . \
--ignore-not-existing \
--ignore "tests/*" \
--ignore "src/main.rs" \
--excl-start "mod tests \{" \
--output-path ./target/debug/coverage/
xdg-open target/debug/coverage/index.html
```
Note that some changes may not be visible until `target/debug/coverage` is removed and the `grcov`
command is rerun.