learn: first 2 project

comments/.gitignore

@@ -0,0 +1 @@
+/target

comments/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "comments"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

comments/src/main.rs

@@ -0,0 +1,23 @@
+//! Generate html doc for the enclosing item (file or module)
+// Line comment
+
+/* Block comment
+ * Traditional imo
+ */
+
+/* <- Add a '/' here to uncomment the entire block below
+
+println!("Now");
+println!("everything");
+println!("executes!");
+// Line comments inside remain unaffected
+
+// */
+
+// Documentation Comment (Doc Comments) which are parsed
+// into HTML lib doc:
+
+/// Comment for the following item
+fn main() {
+    println!("Hello, world!");
+}

formatted-print/.gitignore

@@ -0,0 +1 @@
+/target

formatted-print/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "formatted-print"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

formatted-print/src/main.rs

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

helloworld/.gitignore

@@ -0,0 +1 @@
+/target

helloworld/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "helloworld"
+version = "0.1.0"

helloworld/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "helloworld"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

helloworld/src/main.rs

@@ -0,0 +1,5 @@
+// This is a comment
+
+fn main() {
+    println!("hello ^^");
+}