map_mutate example

Author: aceinetx

examples/map.zen

@@ -0,0 +1,18 @@
+mod stdlib;
+
+fn map_mutate array func {
+	let i = array_size(array) - 1;
+	while i >= 0 {
+		let array[i] = func(array[i]);
+		let i = i - 1;
+	}
+	return null;
+}
+
+fn main {
+	let arr = [1,2,3,4,5];
+	map_mutate(arr, fn val {
+		return val * 2;
+	});
+	return arr;
+}

zenlang/src/ast/binop.rs

@@ -1,6 +1,7 @@
 use crate::{ast::node::Compile, opcode::Opcode};
 use alloc::vec::*;
 
+#[derive(Debug)]
 pub enum AstBinopOp {
     PLUS,
     MINUS,

zenlang/src/vm/vm_compute.rs

@@ -7,8 +7,8 @@ use alloc::string::String;
 impl VM {
     pub(crate) fn compute_values(&mut self, left: Value, right: Value, op: AstBinopOp) -> Value {
         let err = format!(
-            "unmatched left and right value types: {:?} {:?}",
-            left, right
+            "unmatched left and right value types: {:?} {:?} with op {:?}",
+            left, right, op
         );
         match op {
             AstBinopOp::PLUS => match (left, right) {