Initial Commit

dummy.do

@@ -0,0 +1,48 @@
+#!/usr/bin/env conlang
+// This is a Conlang file. 
+
+// This is a function. It can be called with the call operator.
+// The function called `main` is the program's entrypoint
+// fn main() -> (&str, bool, i128)
+
+const main = fn () {
+    // An if expression is like the ternary conditional operator in C
+    let y = if 10 < 50 {
+        "\u{1f988}"
+    } else {
+        "x"
+    };
+    
+    // A `while` expression is like the while-else construct in Python,
+    // but it returns a value via the `break` keyword
+    let z = while false {
+        // do a thing repeatedly
+        break true
+    } else {
+        // If `while` does not `break`, fall through to the `else` expression
+        false
+    };
+    // The same is true of `for` expressions!
+    // let w = for idx in 0..100 {
+    //     if idx > 2 * 2 {
+    //         break idx
+    //     }
+    // } else {
+    //     12345
+    // };
+
+
+    // desugars to
+    {
+        let _pass = || if idx > 2 * 2 { break idx };
+        let _body = || { 12345 };
+        let _it = 0..100;
+        loop if let idx = _it.next() _pass() else _fail()
+    };
+
+
+    // A block evaluates to its last expression,
+    // or Empty if there is none
+    // (🦈, false, 5)
+    (y, z, w)
+}