feat(core): impl Display on ListenerId

Cargo.toml

@@ -76,7 +76,7 @@ libp2p = { version = "0.53.0", path = "libp2p" }
 libp2p-allow-block-list = { version = "0.3.0", path = "misc/allow-block-list" }
 libp2p-autonat = { version = "0.12.0", path = "protocols/autonat" }
 libp2p-connection-limits = { version = "0.3.0", path = "misc/connection-limits" }
-libp2p-core = { version = "0.41.1", path = "core" }
+libp2p-core = { version = "0.41.2", path = "core" }
 libp2p-dcutr = { version = "0.11.0", path = "protocols/dcutr" }
 libp2p-dns = { version = "0.41.1", path = "transports/dns" }
 libp2p-floodsub = { version = "0.44.0", path = "protocols/floodsub" }

core/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.41.2
+
+- Implement `std::fmt::Display` on `ListenerId`.
+  See [PR 4936](https://github.com/libp2p/rust-libp2p/pull/4936).
+
 ## 0.41.1
 
 - Implement `{In,Out}boundConnectionUpgrade` for `SelectUpgrade`.

core/Cargo.toml

@@ -3,7 +3,7 @@ name = "libp2p-core"
 edition = "2021"
 rust-version = { workspace = true }
 description = "Core traits and structs of libp2p"
-version = "0.41.1"
+version = "0.41.2"
 authors = ["Parity Technologies <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"

core/src/transport.rs

@@ -256,6 +256,12 @@ impl ListenerId {
     }
 }
 
+impl std::fmt::Display for ListenerId {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
 /// Event produced by [`Transport`]s.
 pub enum TransportEvent<TUpgr, TErr> {
     /// A new address is being listened on.