global: replace Value enum with Cow

crates/brk_core/src/enums/mod.rs

@@ -1,5 +1,3 @@
 mod error;
-mod value;
 
 pub use error::*;
-pub use value::*;

crates/brk_core/src/enums/value.rs

@@ -1,39 +0,0 @@
-use std::{fmt::Debug, ops::Deref};
-
-#[derive(Debug, Clone)]
-pub enum Value<'a, T> {
-    Ref(&'a T),
-    Owned(T),
-}
-
-impl<T> Value<'_, T>
-where
-    T: Sized + Debug + Clone,
-{
-    pub fn into_inner(self) -> T {
-        match self {
-            Self::Ref(t) => t.to_owned(),
-            Self::Owned(t) => t,
-        }
-    }
-}
-impl<T> Deref for Value<'_, T> {
-    type Target = T;
-    fn deref(&self) -> &Self::Target {
-        match self {
-            Self::Ref(t) => t,
-            Self::Owned(t) => t,
-        }
-    }
-}
-impl<T> AsRef<T> for Value<'_, T>
-where
-    T: Sized + Debug + Clone,
-{
-    fn as_ref(&self) -> &T {
-        match self {
-            Self::Ref(t) => t,
-            Self::Owned(t) => t,
-        }
-    }
-}