block main thread in main function whe calling async function

Cargo.lock

@@ -107,42 +107,92 @@ dependencies = [
 ]
 
 [[package]]
-name = "futures-channel"
-version = "0.3.18"
+name = "futures"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fc8cd39e3dbf865f7340dce6a2d401d24fd37c6fe6c4f0ee0de8bfca2252d27"
+checksum = "28560757fe2bb34e79f907794bb6b22ae8b0e5c669b638a1132f2592b19035b4"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba3dda0b6588335f360afc675d0564c17a77a2bda81ca178a4b6081bd86c7f0b"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
 name = "futures-core"
-version = "0.3.18"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "629316e42fe7c2a0b9a65b47d159ceaa5453ab14e8f0a3c5eedbb8cd55b4a445"
+checksum = "d0c8ff0461b82559810cdccfde3215c3f373807f5e5232b71479bff7bb2583d7"
 
 [[package]]
-name = "futures-sink"
-version = "0.3.18"
+name = "futures-executor"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "996c6442437b62d21a32cd9906f9c41e7dc1e19a9579843fad948696769305af"
-
-[[package]]
-name = "futures-task"
-version = "0.3.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dabf1872aaab32c886832f2276d2f5399887e2bd613698a02359e4ea83f8de12"
-
-[[package]]
-name = "futures-util"
-version = "0.3.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d22213122356472061ac0f1ab2cee28d2bac8491410fd68c2af53d1cedb83e"
+checksum = "29d6d2ff5bb10fb95c85b8ce46538a2e5f5e7fdc755623a7d4529ab8a4ed9d2a"
 dependencies = [
  "futures-core",
  "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f9d34af5a1aac6fb380f735fe510746c38067c5bf16c7fd250280503c971b2"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6dbd947adfffb0efc70599b3ddcf7b5597bb5fa9e245eb99f62b3a5f7bb8bd3c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3055baccb68d74ff6480350f8d6eb8fcfa3aa11bdc1a1ae3afdd0514617d508"
+
+[[package]]
+name = "futures-task"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ee7c6485c30167ce4dfb83ac568a849fe53274c831081476ee13e0dce1aad72"
+
+[[package]]
+name = "futures-util"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b5cf40b47a271f77a8b1bec03ca09044d99d2372c0de244e66430761127164"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
+ "slab",
 ]
 
 [[package]]
@@ -326,6 +376,7 @@ name = "matter_bot"
 version = "0.1.0"
 dependencies = [
  "dotenv",
+ "futures",
  "mattermost_api",
 ]
 

Cargo.toml

@@ -8,3 +8,4 @@ edition = "2021"
 [dependencies]
 dotenv = "0.15.0"
 mattermost_api = "0.1.0"
+futures = "0.3.19"

src/main.rs

@@ -1,11 +1,13 @@
 use dotenv::dotenv;
 use std::env;
 
+use futures::executor::block_on;
 mod mattermost;
 
 fn main() {
     dotenv().expect("Le fichier .env n'a pas été trouvé..."); // vérification si fichier .env trouvé
     let token = env::var("TOKEN_MATTERMOST").expect("Token non trouvé dans le fichier .env"); // récupération du token
     let url = env::var("MATTERMOST_INSTANCE_URL").expect("URL non trouvé dans le fichier .env"); // récupération de l'url
-    mattermost::connexion(&token, &url); // connexion à mattermost
+    let connexion = mattermost::connexion(&token, &url); // connexion à mattermost
+    block_on(connexion);
 }