//! Witt, Brauer, and Brauer--Wall invariants of quadratic forms.
//!
//! * `class` defines [`WittClass`] for finite characteristic-two fields and the
//! characteristic-indexed [`WittClassG`].
//! * `ring` provides tensor products, Pfister forms, and the first invariants of
//! the fundamental-ideal filtration. The characteristic-two quadratic Witt
//! group is a module, not this ring.
//! * `brauer_wall` computes graded Clifford classes over the supported real,
//! complex, rational, finite-field, and function-field domains.
//! * `brauer_rational` computes rational two-torsion Hasse--Witt and Clifford
//! Brauer classes.
//! * `cyclic` provides `Q/Z`-valued local invariants for unramified cyclic
//! algebras and tame Kummer symbols.
//! * `milnor` assembles rational and odd-characteristic function-field residue
//! maps.
//!
//! Child modules are re-exported through this module.
pub use *;
pub use *;
pub use *;
pub use *;
pub use *;
pub use *;