//! Lens mount.
//!
//! Port of `libs/lensfun/mount.cpp` and the `lfMount` type in
//! `include/lensfun/lensfun.h.in`.
use BTreeMap;
/// A lens mount: the physical interface between a lens and a camera body.
///
/// Mounts can be compatible with one another (for example, Canon EF lenses
/// mount on Canon EF-S bodies via no adapter, and on Canon RF bodies via an
/// adapter). The compatibility list captures these relationships.