Handle Pointer types correctly (#51)

Closes #50

Author: ckaznocha

intrange.go

@@ -439,6 +439,8 @@ func recursiveOperandToString(
 		return recursiveOperandToString(e.X, false) + "[" + recursiveOperandToString(e.Index, false) + "]"
 	case *ast.BinaryExpr:
 		return recursiveOperandToString(e.X, false) + " " + e.Op.String() + " " + recursiveOperandToString(e.Y, false)
+	case *ast.StarExpr:
+		return "*" + recursiveOperandToString(e.X, false)
 	default:
 		return ""
 	}

testdata/main.go

@@ -663,3 +663,19 @@ func issue33() {
 	for i = 0; i < 10; i++ { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)\nBecause the key is not part of the loop's scope, take care to consider side effects.`
 	}
 }
+
+func issue50() {
+	x := 10
+	i := &x
+	for k := 0; k < int(*i); k++ { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+
+	for k := int(0); k < int(*i); k++ { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+
+	for k := 0; k < *i; k++ { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+
+	for k := int32(0); k < int32(*i); k++ { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+}

testdata/main.go.golden

@@ -663,3 +663,19 @@ func issue33() {
 	for i = 0; i < 10; i++ { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)\nBecause the key is not part of the loop's scope, take care to consider side effects.`
 	}
 }
+
+func issue50() {
+	x := 10
+	i := &x
+	for range *i { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+
+	for range *i { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+
+	for range *i { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+
+	for range int32(*i) { // want `for loop can be changed to use an integer range \(Go 1\.22\+\)`
+	}
+}