//! Internal foundational model types.
//!
//! Defines core building blocks: dimensional type machinery (`dimension`),
//! generic runtime holder of a value with a unit phantom (`measure`), user
//! facing dimensioned value abstraction (`quantity`), unit trait & macros
//! (`unit`), and prefix infrastructure (`prefix`). Re-exported selectively
//! through the crate root; kept private to prevent external trait impls.
pub
pub
pub
pub
pub
/// Public trait in private module to prevent external implementations