finish chapter 12

1 files changed, 17 insertions, 2 deletions

diff --git a/rust/theBook/chapter-12-command-line-project/minigrep/src/main.rs b/rust/theBook/chapter-12-command-line-project/minigrep/src/main.rs
index ae7def5..a166fa2 100644
--- a/rust/theBook/chapter-12-command-line-project/minigrep/src/main.rs
+++ b/rust/theBook/chapter-12-command-line-project/minigrep/src/main.rs
@@ -1,6 +1,21 @@
-use std::env;
+use std::{env, process};
+
+use minigrep::Config;
 
 fn main() {
+    // args() return iterator
+    // collect() extract iterator to collection we defined for args
     let args: Vec<String> = env::args().collect();
-    dbg!(args);
+
+    let config = Config::build(&args).unwrap_or_else(|err| {
+        eprintln!("Problem parsing arguments: {err}");
+        process::exit(1);
+    });
+
+    // we only care about error code since ok will return ()
+    // so `if let` is a ideal solution
+    if let Err(e) = minigrep::run(config) {
+        eprintln!("Application error: {e}");
+        process::exit(1);
+    }
 }