Clippy fix for examples

Author: eisterman

examples/global/src/main.rs

@@ -11,7 +11,7 @@ lazy_static! {
 	static ref SETTINGS: RwLock<Config> = RwLock::new(Config::default());
 }
 
-fn try_main() -> Result<(), Box<Error>> {
+fn try_main() -> Result<(), Box<dyn Error>> {
 	// Set property
 	SETTINGS.write()?.set("property", 42)?;
 

examples/hierarchical-env/src/settings.rs

@@ -46,7 +46,7 @@ impl Settings {
         // Add in the current environment file
         // Default to 'development' env
         // Note that this file is _optional_
-        let env = env::var("RUN_MODE").unwrap_or("development".into());
+        let env = env::var("RUN_MODE").unwrap_or_else(|_| "development".into());
         s.merge(File::with_name(&format!("config/{}", env)).required(false))?;
 
         // Add in a local configuration file