chore(fmt): add legacy stubs and strip trailing whitespace to unblock cargo fmt

src/boxes/token_box.rs

@@ -1,4 +1,4 @@
-use crate::box_trait::{NyashBox, BoxCore, BoxBase, StringBox, BoolBox};
+use crate::box_trait::{BoolBox, BoxBase, BoxCore, NyashBox, StringBox};
 use std::any::Any;
 
 /// Cancellation token as a Box for structured concurrency
@@ -9,30 +9,69 @@ pub struct TokenBox {
 }
 
 impl TokenBox {
-    pub fn new() -> Self { Self { base: BoxBase::new(), token: crate::runtime::scheduler::CancellationToken::new() } }
-    pub fn from_token(token: crate::runtime::scheduler::CancellationToken) -> Self { Self { base: BoxBase::new(), token } }
-    pub fn cancel(&self) { self.token.cancel(); }
-    pub fn is_cancelled(&self) -> bool { self.token.is_cancelled() }
-    pub fn inner(&self) -> crate::runtime::scheduler::CancellationToken { self.token.clone() }
+    pub fn new() -> Self {
+        Self {
+            base: BoxBase::new(),
+            token: crate::runtime::scheduler::CancellationToken::new(),
+        }
+    }
+    pub fn from_token(token: crate::runtime::scheduler::CancellationToken) -> Self {
+        Self {
+            base: BoxBase::new(),
+            token,
+        }
+    }
+    pub fn cancel(&self) {
+        self.token.cancel();
+    }
+    pub fn is_cancelled(&self) -> bool {
+        self.token.is_cancelled()
+    }
+    pub fn inner(&self) -> crate::runtime::scheduler::CancellationToken {
+        self.token.clone()
+    }
 }
 
 impl BoxCore for TokenBox {
-    fn box_id(&self) -> u64 { self.base.id }
-    fn parent_type_id(&self) -> Option<std::any::TypeId> { None }
-    fn fmt_box(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(f, "CancellationToken(cancelled={})", self.token.is_cancelled())
+    fn box_id(&self) -> u64 {
+        self.base.id
+    }
+    fn parent_type_id(&self) -> Option<std::any::TypeId> {
+        None
+    }
+    fn fmt_box(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(
+            f,
+            "CancellationToken(cancelled={})",
+            self.token.is_cancelled()
+        )
+    }
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
+    fn as_any_mut(&mut self) -> &mut dyn Any {
+        self
     }
-    fn as_any(&self) -> &dyn Any { self }
-    fn as_any_mut(&mut self) -> &mut dyn Any { self }
 }
 
 impl NyashBox for TokenBox {
-    fn to_string_box(&self) -> StringBox { StringBox::new(format!("CancellationToken(cancelled={})", self.token.is_cancelled())) }
+    fn to_string_box(&self) -> StringBox {
+        StringBox::new(format!(
+            "CancellationToken(cancelled={})",
+            self.token.is_cancelled()
+        ))
+    }
     fn equals(&self, other: &dyn NyashBox) -> BoolBox {
         if let Some(o) = other.as_any().downcast_ref::<TokenBox>() {
             BoolBox::new(self.is_cancelled() == o.is_cancelled())
-        } else { BoolBox::new(false) }
+        } else {
+            BoolBox::new(false)
+        }
+    }
+    fn clone_box(&self) -> Box<dyn NyashBox> {
+        Box::new(self.clone())
+    }
+    fn share_box(&self) -> Box<dyn NyashBox> {
+        Box::new(self.clone())
     }
-    fn clone_box(&self) -> Box<dyn NyashBox> { Box::new(self.clone()) }
-    fn share_box(&self) -> Box<dyn NyashBox> { Box::new(self.clone()) }
 }