Init hello world

.gitignore

@@ -12,3 +12,4 @@ Cargo.lock
 
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
+rustlings/**

helloworld_01/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "helloworld_01"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

helloworld_01/src/main.rs

@@ -0,0 +1,13 @@
+use std::io;
+
+fn main() {
+    println!("Enter your name:");
+
+    let mut name: String = String::new();
+    io::stdin()
+        .read_line(&mut name)
+        .expect("Failed to read your name!");
+
+    let name: &str = name.trim();
+    println!("Hello, {}!", name);
+}