Merge pull request #3 from tarexo/main

chore: address clippy warning

Author: psiegl

crates/wasmtime-cli/src/tcp.rs

@@ -44,10 +44,7 @@ fn parse_env_var(s: &str) -> Result<Option<(String, String)>, String> {
     let key = parts.next().unwrap().to_string();
     let val: Option<String> = match parts.next() {
         Some(value) => Some(value.to_string()),
-        None => match std::env::var_os(&key) {
-            Some(val) => Some(val.into_string().unwrap()),
-            None => None,
-        },
+        None => std::env::var_os(&key).map(|val| val.into_string().unwrap()),
     };
 
     match val {