//! ⚠ This crate is currently a placeholder for future development efforts. ⚠
//!
//! `uom-macros` provides procedural macro support for `uom`. Two function-style macros are
//! available. `system!`, to define a system of quantities and a related system of units, and
//! `quantity!`, to define quantities within a system. See the
//! [`uom`](https://crates.io/crates/uom) crate for full details.
extern crate proc_macro;
use crateTokenStream;
/// Define a system of quantities.
/// Define a quantity within a system of quantities.