//! Core framework definitions.
/// Component trait and related types.
/// Context value marker trait.
/// Element (VDOM) and key types.
pub
/// Event handling types.
/// Cell bitmask shared by visual clipping and pointer hit testing.
/// Element-level memoization wrapper.
/// Nested component support.
pub
/// Render node tree and layout node types.
/// Shared runtime environment passed to every component.
pub