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Diffstat (limited to 'mingling_core/src/program')
| -rw-r--r-- | mingling_core/src/program/collection.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mingling_core/src/program/collection.rs b/mingling_core/src/program/collection.rs index 1b4d7dd..5b1152a 100644 --- a/mingling_core/src/program/collection.rs +++ b/mingling_core/src/program/collection.rs @@ -66,6 +66,18 @@ pub trait ProgramCollect { /// Render help for Entry fn render_help(any: AnyOutput<Self::Enum>) -> RenderResult; + /// Retrieves compile-time registered metadata of type `T` for the given + /// enum member, if any was registered via `#[metadata(Entry)]`. + /// + /// Returns `None` when no metadata of type `T` has been registered for the + /// provided member, or when the requested `T` does not match the registered + /// metadata type. The concrete implementation of this method is generated + /// by the `gen_program!` macro. + fn get_metadata<T: 'static>(member_id: Self::Enum) -> Option<T> { + let _ = member_id; + None + } + /// Find a matching chain to continue execution based on the input [AnyOutput](./struct.AnyOutput.html), returning a new [AnyOutput](./struct.AnyOutput.html) #[cfg(feature = "async")] fn do_chain( |