1 files changed, 5 insertions(+), 3 deletions(-)

M projects/minigrep/src/main.rs

@@ 1,4 1,5 @@
 use std::env;
+use std::error::Error;
 use std::fs;
 use std::process;
 


@@ 16,11 17,12 @@ fn main() {
     run(config);
 }
 
-fn run(config: Config) {
-    let contents = fs::read_to_string(config.filename)
-        .expect("Something went wrong reading the file");
+fn run(config: Config) -> Result<(), Box<dyn Error>> {
+    let contents = fs::read_to_string(config.filename)?;
 
     println!("With text:\n{}", contents);
+
+    Ok(())
 }
 
 struct Config {