Module component

Types for declaring and storing Components.

Structs

• ComponentDescriptor
  A value describing a component or resource, which may or may not correspond to a Rust type.
• ComponentHooks
  World-mutating functions that run as part of lifecycle events of a Component.
• ComponentId
  A value which uniquely identifies the type of a Component or Resource within a World.
• ComponentIdFor
  A SystemParam that provides access to the ComponentId for a specific component type.
• ComponentInfo
  Stores metadata for a type of component or resource stored in a specific World.
• ComponentTicks
  Records when a component or resource was added and when it was last mutably dereferenced (or added).
• Components
  Stores metadata associated with each kind of Component in a given World.
• RequiredComponent
  Metadata associated with a required component. See Component for details.
• RequiredComponentConstructor
  A Required Component constructor. See Component for details.
• RequiredComponents
  The collection of metadata for components that are required for a given component.
• Tick
  A value that tracks when a system ran relative to other systems. This is used to power change detection.
• TickCells
  Interior-mutable access to the Ticks for a single component or resource.

Enums

• RequiredComponentsError
  An error returned when the registration of a required component fails.
• StorageType
  The storage used for a specific component type.

Traits

• Component
  A data type that can be used to store data for an entity.

Type Aliases

• ComponentHook
  The type used for Component lifecycle hooks such as on_add, on_insert or on_remove

Derive Macros

• Component