a temporary check point

just to save things in a commit

1 files changed, 8 insertions, 0 deletions

diff --git a/receme/src/functor.rs b/receme/src/functor.rs
index 95e2555..cd4dac2 100644
--- a/receme/src/functor.rs
+++ b/receme/src/functor.rs
@@ -31,6 +31,14 @@ pub trait Functor<T> {
     fn fmap<S>(self, f: impl FnMut(T) -> S) -> Self::Target<S>;
 }
 
+impl<T> Functor<T> for Vec<T> {
+    type Target<S> = Vec<S>;
+
+    fn fmap<S>(self, f: impl FnMut(T) -> S) -> Self::Target<S> {
+        self.into_iter().map(f).collect()
+    }
+}
+
 /// A functor can map over its generic type parameter.
 ///
 /// It can map from Functor(T) to Functor(S).