Merge pull request #13916 from NicoAcosta/mapping-style

Fix mapping style in docs

docs/common-patterns.rst

@@ -34,7 +34,7 @@ you receive the funds of the person who is now the richest.
         address public richest;
         uint public mostSent;
 
-        mapping (address => uint) pendingWithdrawals;
+        mapping(address => uint) pendingWithdrawals;
 
         /// The amount of Ether sent was not higher than
         /// the currently highest amount.

docs/contracts/function-modifiers.rst

@@ -61,7 +61,7 @@ if they are marked ``virtual``. For details, please see
     }
 
     contract Register is priced, destructible {
-        mapping (address => bool) registeredAddresses;
+        mapping(address => bool) registeredAddresses;
         uint price;
 
         constructor(uint initialPrice) { price = initialPrice; }

docs/contracts/visibility-and-getters.rst

@@ -200,12 +200,12 @@ The next example is more complex:
         struct Data {
             uint a;
             bytes3 b;
-            mapping (uint => uint) map;
+            mapping(uint => uint) map;
             uint[3] c;
             uint[] d;
             bytes e;
         }
-        mapping (uint => mapping(bool => Data[])) public data;
+        mapping(uint => mapping(bool => Data[])) public data;
     }
 
 It generates a function of the following form. The mapping and arrays (with the

docs/examples/modular.rst

@@ -34,7 +34,7 @@ and the sum of all balances is an invariant across the lifetime of the contract.
     contract Token {
         mapping(address => uint256) balances;
         using Balances for *;
-        mapping(address => mapping (address => uint256)) allowed;
+        mapping(address => mapping(address => uint256)) allowed;
 
         event Transfer(address from, address to, uint amount);
         event Approval(address owner, address spender, uint amount);

docs/internals/layout_in_storage.rst

@@ -232,7 +232,7 @@ value and reference types, types that are encoded packed, and nested types.
         uint y;
         S s;
         address addr;
-        mapping (uint => mapping (address => bool)) map;
+        mapping(uint => mapping(address => bool)) map;
         uint[] array;
         string s1;
         bytes b1;

docs/introduction-to-smart-contracts.rst

@@ -91,7 +91,7 @@ registering with a username and password, all you need is an Ethereum keypair.
         // The keyword "public" makes variables
         // accessible from other contracts
         address public minter;
-        mapping (address => uint) public balances;
+        mapping(address => uint) public balances;
 
         // Events allow clients to react to specific
         // contract changes you declare
@@ -151,7 +151,7 @@ You do not need to do this, the compiler figures it out for you.
 
 .. index:: mapping
 
-The next line, ``mapping (address => uint) public balances;`` also
+The next line, ``mapping(address => uint) public balances;`` also
 creates a public state variable, but it is a more complex datatype.
 The :ref:`mapping <mapping-types>` type maps addresses to :ref:`unsigned integers <integers>`.
 

docs/security-considerations.rst

@@ -336,7 +336,7 @@ field of a ``struct`` that is the base type of a dynamic storage array.  The
     pragma solidity >=0.6.0 <0.9.0;
 
     contract Map {
-        mapping (uint => uint)[] array;
+        mapping(uint => uint)[] array;
 
         function allocate(uint newMaps) public {
             for (uint i = 0; i < newMaps; i++)

docs/types/mapping-types.rst

@@ -95,8 +95,8 @@ The example below uses ``_allowances`` to record the amount someone else is allo
 
     contract MappingExample {
 
-        mapping (address => uint256) private _balances;
+        mapping(address => uint256) private _balances;
-        mapping (address => mapping (address => uint256)) private _allowances;
+        mapping(address => mapping(address => uint256)) private _allowances;
 
         event Transfer(address indexed from, address indexed to, uint256 value);
         event Approval(address indexed owner, address indexed spender, uint256 value);

docs/types/reference-types.rst

@@ -686,11 +686,11 @@ shown in the following example:
             uint fundingGoal;
             uint numFunders;
             uint amount;
-            mapping (uint => Funder) funders;
+            mapping(uint => Funder) funders;
         }
 
         uint numCampaigns;
-        mapping (uint => Campaign) campaigns;
+        mapping(uint => Campaign) campaigns;
 
         function newCampaign(address payable beneficiary, uint goal) public returns (uint campaignID) {
             campaignID = numCampaigns++; // campaignID is return variable