1 files changed, 8 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch09-error-handling/listing-09-12/src/main.rs b/src/doc/book/listings/ch09-error-handling/listing-09-12/src/main.rs
new file mode 100644
index 000000000..b0f7445f4
--- /dev/null
+++ b/src/doc/book/listings/ch09-error-handling/listing-09-12/src/main.rs
@@ -0,0 +1,8 @@
+use std::error::Error;
+use std::fs::File;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let greeting_file = File::open("hello.txt")?;
+
+    Ok(())
+}