//! Saving and loading a composed topology as SIM data.
//!
//! A topology saves and loads through the existing topology reflection -- there
//! is no second package format. `composer_save` reflects a `Graph` to a value;
//! `composer_load` parses a value back into a `Graph`.
use ;
use ;
/// Reflect a `Graph` to a SIM value for saving, sharing, or diffing.
/// Parse a saved SIM value back into a `Graph`.