Rename Action::Result to Action::Output

CHANGELOG.md

@@ -17,6 +17,7 @@ Procedure when bumping the version number:
 - Error handling of `Action`s is now more complex but more powerful. In
   particular, `Action`s can now return almost arbitrary errors without nesting
   `Result`s like before.
+- Renamed `Action::Result` to `Action::Output`
 
 ## v0.1.0 - 2023-02-12
 

src/lib.rs

@@ -23,9 +23,9 @@ use rusqlite::{Connection, Transaction};
 /// Actions are usually passed to a vault which will then execute them and
 /// return the result. The way in which this occurs depends on the vault.
 pub trait Action {
-    type Result;
+    type Output;
     type Error;
-    fn run(self, conn: &mut Connection) -> Result<Self::Result, Self::Error>;
+    fn run(self, conn: &mut Connection) -> Result<Self::Output, Self::Error>;
 }
 
 /// A single database migration.

src/simple.rs

@@ -52,7 +52,7 @@ impl SimpleVault {
     }
 
     /// Execute an [`Action`] and return the result.
-    pub fn execute<A: Action>(&mut self, action: A) -> Result<A::Result, A::Error> {
+    pub fn execute<A: Action>(&mut self, action: A) -> Result<A::Output, A::Error> {
         action.run(&mut self.0)
     }
 }

src/tokio.rs

@@ -20,7 +20,7 @@ trait ActionWrapper {
 
 impl<T: Action> ActionWrapper for T
 where
-    T::Result: Send + 'static,
+    T::Output: Send + 'static,
     T::Error: Send + 'static,
 {
     fn run(
@@ -133,10 +133,10 @@ impl TokioVault {
     }
 
     /// Execute an [`Action`] and return the result.
-    pub async fn execute<A>(&self, action: A) -> Result<A::Result, Error<A::Error>>
+    pub async fn execute<A>(&self, action: A) -> Result<A::Output, Error<A::Error>>
     where
         A: Action + Send + 'static,
-        A::Result: Send,
+        A::Output: Send,
         A::Error: Send,
     {
         let (tx, rx) = oneshot::channel();
@@ -153,7 +153,7 @@ impl TokioVault {
         // always work.
         match result {
             Ok(result) => {
-                let result = *result.downcast::<A::Result>().unwrap();
+                let result = *result.downcast::<A::Output>().unwrap();
                 Ok(result)
             }
             Err(err) => {