From 1217850149f2bf3fea08ea6dac0f1e46a799dd89 Mon Sep 17 00:00:00 2001
From: piaoliu <441594700@qq.com>
Date: Mon, 15 Apr 2019 16:22:25 +0800
Subject: [PATCH] chore: add function to session id

---
 Cargo.toml |  2 +-
 src/lib.rs | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index b613542b..eda10d1a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tentacle"
-version = "0.2.0-alpha.2"
+version = "0.2.0-alpha.3"
 license = "MIT"
 description = "Minimal implementation for a multiplexed p2p network framework."
 authors = ["piaoliu <441594700@qq.com>", "Nervos Core Dev <dev@nervos.org>"]
diff --git a/src/lib.rs b/src/lib.rs
index 7c344b01..57001b05 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -58,12 +58,12 @@ pub struct ProtocolId(usize);
 
 impl ProtocolId {
     /// New a protocol id
-    pub fn new(id: usize) -> Self {
+    pub const fn new(id: usize) -> Self {
         ProtocolId(id)
     }
 
     /// Get inner value
-    pub fn value(self) -> usize {
+    pub const fn value(self) -> usize {
         self.0
     }
 }
@@ -84,6 +84,18 @@ impl From<usize> for ProtocolId {
 #[derive(Debug, Clone, Copy, Hash, Ord, PartialOrd, Eq, PartialEq, Default)]
 pub struct SessionId(usize);
 
+impl SessionId {
+    /// New a session id
+    pub const fn new(id: usize) -> Self {
+        SessionId(id)
+    }
+
+    /// Get inner value
+    pub const fn value(self) -> usize {
+        self.0
+    }
+}
+
 impl fmt::Display for SessionId {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "SessionId({})", self.0)