/// `CARGO_PKG_VERSION` at compile time. "0.0.0" means a dev build; release
/// builds have `Cargo.toml` patched from the git tag before compilation.
pub const VERSION: &str = env!;
/// Dev build marker. `release.yml` swaps `Cargo.toml` version before building,
/// so any binary whose version is still "0.0.0" is an unreleased build.