MAL Step 0

.gitignore

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

Cargo.lock

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

Cargo.toml

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

src/main.rs

@@ -0,0 +1,35 @@
+use std::io::{self, Write};
+
+fn main() {
+    let mut input = String::new();
+
+    println!("MAL -- REPL");
+
+    loop {
+        print!("> ");
+        io::stdout().flush().expect("failed to write to stdout");
+
+        let bytes_read = io::stdin()
+            .read_line(&mut input)
+            .expect("failed to read from stdin");
+
+        if bytes_read == 0 {
+            break;
+        }
+
+        let ast = read(&input);
+        let res = eval(&ast);
+
+        println!("{res}");
+
+        input.clear();
+    }
+}
+
+fn read(input: &str) -> String {
+    input.to_owned()
+}
+
+fn eval(input: &str) -> String {
+    input.to_owned()
+}