From e2075110f270e6f4ce41e7d36a3a932572cdd351 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Thu, 23 Jan 2020 18:40:49 +0800
Subject: [PATCH] v1.2.1

---
 Cargo.toml | 3 +--
 README.md  | 2 ++
 src/lib.rs | 6 +++---
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 6899465..6444583 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dingtalk"
-version = "1.2.0"
+version = "1.2.1"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 description = "DingTalk Robot Util, Send text/markdown/link messages using DingTalk robot, 钉钉机器人"
@@ -16,7 +16,6 @@ urlencoding = "1.0.0"
 futures = "0.3.1"
 hmac = "0.7.1"
 sha2 = "0.8.1"
-maplit = "1.0.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
diff --git a/README.md b/README.md
index 079841e..0d81a09 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,8 @@ dt.send_message(&DingTalkMessage::new_action_card("action card 002", "action car
 
 #### Changelog
 
+* v1.2.1
+    * Remove `maplit` crate
 * v1.2.0
     * Use `serde` and `serde_json` crates, replace `json` crate
 * v1.1.2
diff --git a/src/lib.rs b/src/lib.rs
index 4c5f1cf..e1169fb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -383,16 +383,16 @@ impl <'a> DingTalk<'a> {
             // Just Ok
         } else if self.default_webhook_url.contains('?') {
             if !self.default_webhook_url.ends_with('&') {
-                signed_url.push_str("&");
+                signed_url.push('&');
             }
         } else {
-            signed_url.push_str("?");
+            signed_url.push('?');
         }
 
         signed_url.push_str("access_token=");
         signed_url.push_str(&urlencoding::encode(self.access_token));
 
-        if self.sec_token != "" {
+        if !self.sec_token.is_empty() {
             let timestamp = &format!("{}", SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_millis());
             let timestamp_and_secret = &format!("{}\n{}", timestamp, self.sec_token);
             let hmac_sha256 = base64::encode(&calc_hmac_sha256(self.sec_token.as_bytes(), timestamp_and_secret.as_bytes())?[..]);