# operator &

> Returns the result of a componentwise bitwise and operation on two bool4 vectors.

## Definition

* **Type:** Operator
* **Namespace:** [Unity.Mathematics](/engine/6000.5/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

## operator &(bool4, bool4)

Returns the result of a componentwise bitwise and operation on two bool4 vectors.

```csharp
public static bool4 operator &(bool4 lhs, bool4 rhs)
```

### Parameters

**** (\[bool4]\(/engine/6000.5/script-reference/unity/mathematics/bool4)): Left hand side bool4 to use to compute componentwise bitwise and.**** (\[bool4]\(/engine/6000.5/script-reference/unity/mathematics/bool4)): Right hand side bool4 to use to compute componentwise bitwise and.

### Returns

| Type                                                                | Description                                    |
| ------------------------------------------------------------------- | ---------------------------------------------- |
| [bool4](/engine/6000.5/script-reference/unity/mathematics/bool4.md) | bool4 result of the componentwise bitwise and. |

## operator &(bool4, bool)

Returns the result of a componentwise bitwise and operation on a bool4 vector and a bool value.

```csharp
public static bool4 operator &(bool4 lhs, bool rhs)
```

### Parameters

**** (\[bool4]\(/engine/6000.5/script-reference/unity/mathematics/bool4)): Left hand side bool4 to use to compute componentwise bitwise and.**** (\[bool]\(https\://learn.microsoft.com/dotnet/api/system.boolean)): Right hand side bool to use to compute componentwise bitwise and.

### Returns

| Type                                                                | Description                                    |
| ------------------------------------------------------------------- | ---------------------------------------------- |
| [bool4](/engine/6000.5/script-reference/unity/mathematics/bool4.md) | bool4 result of the componentwise bitwise and. |

## operator &(bool, bool4)

Returns the result of a componentwise bitwise and operation on a bool value and a bool4 vector.

```csharp
public static bool4 operator &(bool lhs, bool4 rhs)
```

### Parameters

**** (\[bool]\(https\://learn.microsoft.com/dotnet/api/system.boolean)): Left hand side bool to use to compute componentwise bitwise and.**** (\[bool4]\(/engine/6000.5/script-reference/unity/mathematics/bool4)): Right hand side bool4 to use to compute componentwise bitwise and.

### Returns

| Type                                                                | Description                                    |
| ------------------------------------------------------------------- | ---------------------------------------------- |
| [bool4](/engine/6000.5/script-reference/unity/mathematics/bool4.md) | bool4 result of the componentwise bitwise and. |