Merge remote-tracking branch 'origin/main'

Author: Victor kariuki

README.md

@@ -21,7 +21,7 @@ To get started download the executables from the release page or follow the inst
  - Download the binary:
 
 ```
-curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.15/nuru_Linux_amd64.tar.gz
+curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.16/nuru_Linux_amd64.tar.gz
 ```
 
   - Extract the file to make global available:
@@ -44,13 +44,13 @@ nuru -v
     - For apple silicon mac use:
 
         ```
-        curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.15/nuru_Darwin_arm64.tar.gz
+        curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.16/nuru_Darwin_arm64.tar.gz
         ```
 
     - For apple intel mac use:
 
         ```
-        curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.15/nuru_Darwin_amd64.tar.gz
+        curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.16/nuru_Darwin_amd64.tar.gz
         ```
 
 - Extract the file to make global available:
@@ -78,7 +78,7 @@ nuru -v
  - Download the binary with this command:
 
 ```
-curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.15/nuru_Android_arm64.tar.gz
+curl -O -L https://github.com/AvicennaJr/Nuru/releases/download/v0.5.16/nuru_Android_arm64.tar.gz
 ```
  - Extract the file:
 
@@ -99,7 +99,7 @@ nuru -v
 ### Windows
 
 - Executable:
-    - Download the Nuru zip file [Here](https://github.com/AvicennaJr/Nuru/releases/download/v0.5.15/nuru_Windows_amd64.zip)
+    - Download the Nuru zip file [Here](https://github.com/AvicennaJr/Nuru/releases/download/v0.5.16/nuru_Windows_amd64.zip)
     - Unzip to get the executable
     - Double click the executable
 

evaluator/evaluator_test.go

@@ -22,7 +22,6 @@ func TestEvalIntegerExpression(t *testing.T) {
 		{"5 + 5 + 5 + 5 - 10", 10},
 		{"2 * 2 * 2 * 2", 16},
 		{"2 / 2 + 1", 2},
-		{"2**3", 8},
 	}
 
 	for _, tt := range tests {
@@ -31,6 +30,20 @@ func TestEvalIntegerExpression(t *testing.T) {
 	}
 }
 
+func TestEvalFloatExpression(t *testing.T) {
+	tests := []struct {
+		input    string
+		expected float64
+	}{
+		{"2**3", 8.0},
+	}
+
+	for _, tt := range tests {
+		evaluated := testEval(tt.input)
+		testFloatObject(t, evaluated, tt.expected)
+	}
+}
+
 func TestEvalBooleanExpression(t *testing.T) {
 	tests := []struct {
 		input    string

evaluator/infix.go

@@ -219,7 +219,7 @@ func evalIntegerInfixExpression(operator string, left, right object.Object, line
 	case "*":
 		return &object.Integer{Value: leftVal * rightVal}
 	case "**":
-		return &object.Integer{Value: int64(math.Pow(float64(leftVal), float64(rightVal)))}
+		return &object.Float{Value: float64(math.Pow(float64(leftVal), float64(rightVal)))}
 	case "/":
 		x := float64(leftVal) / float64(rightVal)
 		if math.Mod(x, 1) == 0 {