Crate wings_macro

Defines macros for declaring traits and systems in wings.

Macros

crate_version

Creates a wings_marshal::Version object describing the current version of this crate.

instantiate_systems

Instructs the host to instantiate systems (and all of their dependencies) when creating the given system group.

Attribute Macros

export_system

Exports the provided system, allowing wings to instantiate it and other systems to access it.

export_type

Exports the provided type, allowing it to be used as an event or system type.

system_trait

Marks this trait as an interface through which plugins can access a system.