more log refactor

veilid-core/src/intf/wasm/utils/channel.rs

@@ -1,5 +1,6 @@
 use crate::xx::*;
 use alloc::collections::VecDeque;
+use core::fmt;
 
 #[derive(Debug)]
 pub struct Channel<T> {
@@ -58,6 +59,19 @@ pub enum TrySendError<T> {
     Disconnected(T),
 }
 
+impl<T> fmt::Display for TrySendError<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            TrySendError::Full(_) => {
+                write!(f, "Full")
+            }
+            TrySendError::Disconnected(_) => {
+                write!(f, "Disconnected")
+            }
+        }
+    }
+}
+
 impl<T> Sender<T> {
     // NOTE: This needs a timeout or you could block a very long time
     // pub async fn send(&self, msg: T) -> Result<(), SendError<T>> {