## Command-line

This documents the full set of available command-line flags one can use.

### `--unusedVars <boolean>`

- **What**: Allows one to toggle whether or not warnings about unused
  variables should be printed out or not.
- **Where**: Can be used with the `typecheck`, `emit` and `compile`
  commands.
- **How**: This toggles the compiler configuration entry
  `typecheck:warnUnusedVars`
