Merge pull request #130 from kpcyrd/edition-2021

Update Rust edition to 2021

Cargo.toml

@@ -8,7 +8,7 @@ repository = "https://github.com/kpcyrd/sniffglue"
 categories = ["command-line-utilities"]
 readme = "README.md"
 exclude = ["pcaps/**/*", "**/*.pcap"]
-edition = "2018"
+edition = "2021"
 
 [package.metadata.deb]
 license-file = [ "LICENSE" ]

src/sandbox/config.rs

@@ -28,13 +28,7 @@ pub fn find() -> Option<String> {
         }
     };
 
-    for config_path in paths {
-        if Path::new(&config_path).exists() {
-            return Some(config_path);
-        }
-    }
-
-    None
+    paths.into_iter().find(|p| Path::new(&p).exists())
 }
 
 pub fn load(path: &str) -> Result<Config> {