refactor!: remove dynamic dispatcher registration API

Dispatchers are now always registered at compile time, removing the
`with_dispatcher` / `with_dispatchers` methods and the
`PathfinderConfig` API. The `dispatch_tree` feature now only controls
the matching strategy (trie vs linear list).

1 files changed, 6 insertions, 14 deletions

diff --git a/mingling_core/src/program/collection.rs b/mingling_core/src/program/collection.rs
index 438b800..c571887 100644
--- a/mingling_core/src/program/collection.rs
+++ b/mingling_core/src/program/collection.rs
@@ -2,7 +2,6 @@
 #[cfg(feature = "async")]
 use std::pin::Pin;
 
-#[cfg(feature = "dispatch_tree")]
 use crate::Dispatcher;
 
 use crate::{AnyOutput, ChainProcess, Grouped, RenderResult};
@@ -34,26 +33,19 @@ pub trait ProgramCollect {
     /// you can use the `empty_result!()` macro to create this
     type ResultEmpty: Grouped<Self::Enum>;
 
-    /// Use a prefix tree to quickly match arguments and dispatch to an Entry
-    #[cfg(feature = "dispatch_tree")]
-    fn dispatch_args(
-        raw: &[String],
-    ) -> Result<AnyOutput<Self::Enum>, crate::error::ProgramInternalExecuteError>;
-
-    #[cfg(not(feature = "dispatch_tree"))]
-    /// Use a prefix tree to quickly match arguments and dispatch to an Entry
+    /// Dispatch the raw user arguments to an Entry.
+    ///
+    /// The concrete matching strategy (trie or linear list) is generated by
+    /// `gen_program!` and selected by the `dispatch_tree` feature.
     ///
     /// # Errors
     ///
     /// Returns an error if the program fails to execute the given arguments.
     fn dispatch_args(
-        _raw: &[String],
-    ) -> Result<AnyOutput<Self::Enum>, crate::error::ProgramInternalExecuteError> {
-        unreachable!()
-    }
+        raw: &[String],
+    ) -> Result<AnyOutput<Self::Enum>, crate::error::ProgramInternalExecuteError>;
 
     /// Get all registered dispatcher names from the program
-    #[cfg(feature = "dispatch_tree")]
     fn get_nodes() -> Vec<(String, &'static (dyn Dispatcher<Self::Enum> + Send + Sync))>;
 
     /// Build an [`AnyOutput`](./struct.AnyOutput.html) to indicate that a renderer was not found