diff --git a/bin/compiler.php b/bin/compiler.php
index 9a2560da..212e7319 100644
--- a/bin/compiler.php
+++ b/bin/compiler.php
@@ -6,7 +6,6 @@ use PhpAot\Php\Translator;
 
 define('DEBUG', true);
 
-
 if (empty($argv[1])) {
     die("php compiler.php [file]\n");
 }
diff --git a/bin/link.php b/bin/link.php
new file mode 100644
index 00000000..10ed39e5
--- /dev/null
+++ b/bin/link.php
@@ -0,0 +1,21 @@
+<?php
+
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+use PhpAot\Php\Translator;
+
+if (empty($argv[1])) {
+    die("php compiler.php [file]\n");
+}
+
+try {
+    $file = $argv[1];
+    $translator = new Translator();
+    $info = pathinfo($file);
+    $objectFile = './tmp/' . $info['filename'] . '.cc.o';
+    $translator->compileBinary($info['filename'], $objectFile);
+} catch (Error $error) {
+    echo "Parse error: {$error->getMessage()}\n";
+    return;
+}
diff --git a/examples/leibniz.js b/examples/leibniz.js
new file mode 100644
index 00000000..b1855a26
--- /dev/null
+++ b/examples/leibniz.js
@@ -0,0 +1,16 @@
+"use strict";
+
+let fs = require("fs");
+let rounds = parseInt(fs.readFileSync("./rounds.txt", "utf8"));
+
+let x = 1.0;
+let pi = 1.0;
+
+for (let i = 2; i < rounds + 2; i++) {
+  x *= -1;
+  pi += x / (2 * i - 1);
+}
+
+pi *= 4;
+
+console.log(pi);
diff --git a/examples/pi.go b/examples/pi.go
new file mode 100644
index 00000000..55c9d2f8
--- /dev/null
+++ b/examples/pi.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	file, _ := os.ReadFile("rounds.txt")
+	rounds, _ := strconv.Atoi(strings.TrimSpace(string(file)))
+
+	x := 1.0
+	pi := 1.0
+	stop := float64(rounds + 2)
+
+	for i := 2.0; i <= stop; i++ {
+		x = -x
+		pi += x / (2.0*i - 1.0)
+	}
+
+	pi *= 4.0
+	fmt.Println(pi)
+}
\ No newline at end of file
diff --git a/examples/pi.php b/examples/pi.php
index b47a663b..2ad32e0c 100644
--- a/examples/pi.php
+++ b/examples/pi.php
@@ -2,7 +2,7 @@
 function main()
 {
     ini_set("precision", 17);
-    $rounds = (int)file_get_contents("./rounds.txt", true);
+    $rounds = (int) file_get_contents("./rounds.txt", true);
     $stop = $rounds + 2;
     var_dump($stop);
 
diff --git a/src/Php/Translator.php b/src/Php/Translator.php
index b4ee6b38..8c618b38 100644
--- a/src/Php/Translator.php
+++ b/src/Php/Translator.php
@@ -16,6 +16,7 @@ class Translator extends \PhpAot\Core\Translator
     const TYPE_VAR = 'php::Variant';
     const TYPE_INT = 'php::Int';
     const TYPE_FLOAT = 'php::Float';
+    const TYPE_BOOL = 'bool';
 
     protected string $phpxDir = '~/workspace/projects/phpx';
     protected string $lang = 'PHP';
@@ -335,7 +336,7 @@ class Translator extends \PhpAot\Core\Translator
         }
     }
 
-    private function parseAssign(mixed $v)
+    private function parseAssign(Node $v): string
     {
         $var = $this->parseIdentifier($v->var);
         $expr = $this->parseExpr($v->expr);
@@ -381,17 +382,27 @@ class Translator extends \PhpAot\Core\Translator
     {
         $exprType = $expr->getType();
         switch ($exprType) {
+            case 'Expr_Cast_Int':
             case 'Scalar_Int':
-                return $this->getZendType('int');
+                return self::TYPE_INT;
+            case 'Expr_Cast_Float':
             case 'Scalar_Float':
-                return $this->getZendType('float');
+                return self::TYPE_FLOAT;
             case 'Scalar_Bool':
-                return $this->getZendType('bool');
+                return self::TYPE_BOOL;
             case 'Expr_Array':
                 return 'php::Array';
+            case 'Expr_BinaryOp_Plus':
+                $leftType = $this->detectType($var, $expr->left);
+                $rightType = $this->detectType($var, $expr->right);
+                if ($leftType === self::TYPE_INT || $rightType === self::TYPE_INT) {
+                    return self::TYPE_INT;
+                } else {
+                    return self::TYPE_VAR;
+                }
             case 'Scalar_String':
             default:
-                return 'php::Variant';
+                return self::TYPE_VAR;
         }
     }
 
@@ -469,7 +480,14 @@ class Translator extends \PhpAot\Core\Translator
 
     public function compileFile($file): void
     {
-        $cmd = 'g++ -c ' . $file . ' -o ' . $file . '.o ' . $this->parseIncludes() . $this->parseLdflags() . $this->parseLibs();
+        $cmd = 'g++ -c ' . $file . ' -o ' . $file . '.o ' . $this->parseIncludes() . ' -O' . $this->optimizeLevel;
+        echo $cmd . PHP_EOL;
+        shell_exec($cmd);
+    }
+
+    public function compileBinary($targetFile, $objectFile): void
+    {
+        $cmd = 'g++ main.cc ' . $objectFile . ' -o ' . $targetFile . ' ' . $this->parseIncludes() . $this->parseLdflags() . $this->parseLibs();
         $cmd .= ' -O' . $this->optimizeLevel;
         echo $cmd . PHP_EOL;
         shell_exec($cmd);