# Roles
[Git Source](https://github.com/buildship-dev/nft-contracts/blob/fd1c33a9dbefe42158dfc60d10c0afde05c713aa/contracts/utils/Rarible/ExchangeV1.sol)

*Library for managing addresses assigned to a Role.*


## Functions
### add

*Give an account access to this role.*


```solidity
function add(Role storage role, address account) internal;
```

### remove

*Remove an account's access to this role.*


```solidity
function remove(Role storage role, address account) internal;
```

### has

*Check if an account has this role.*


```solidity
function has(Role storage role, address account) internal view returns (bool);
```
**Returns**

|Name|Type|Description|
|----|----|-----------|
|`<none>`|`bool`|bool|


## Structs
### Role

```solidity
struct Role {
    mapping(address => bool) bearer;
}
```