Create a hello world program in cargo

.gitignore

@@ -4,10 +4,6 @@
 debug/
 target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
 

hello_cargo/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "hello_cargo"
+version = "0.1.0"

hello_cargo/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "hello_cargo"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

hello_cargo/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}