Style underscore for function variable

Author: hanzel98

src/enforcers/ERC20StreamingEnforcer.sol

@@ -72,8 +72,8 @@ contract ERC20StreamingEnforcer is CaveatEnforcer {
         view
         returns (uint256 availableAmount_)
     {
-        StreamingAllowance storage allowance = streamingAllowances[_delegationManager][_delegationHash];
-        availableAmount_ = _getAvailableAmount(allowance);
+        StreamingAllowance storage allowance_ = streamingAllowances[_delegationManager][_delegationHash];
+        availableAmount_ = _getAvailableAmount(allowance_);
     }
 
     /**
@@ -169,20 +169,20 @@ contract ERC20StreamingEnforcer is CaveatEnforcer {
 
         require(bytes4(callData_[0:4]) == IERC20.transfer.selector, "ERC20StreamingEnforcer:invalid-method");
 
-        StreamingAllowance storage allowance = streamingAllowances[msg.sender][_delegationHash];
-        if (allowance.spent == 0) {
+        StreamingAllowance storage allowance_ = streamingAllowances[msg.sender][_delegationHash];
+        if (allowance_.spent == 0) {
             // First use of this delegation
-            allowance.initialAmount = initialAmount_;
-            allowance.maxAmount = maxAmount_;
-            allowance.amountPerSecond = amountPerSecond_;
-            allowance.startTime = startTime_;
+            allowance_.initialAmount = initialAmount_;
+            allowance_.maxAmount = maxAmount_;
+            allowance_.amountPerSecond = amountPerSecond_;
+            allowance_.startTime = startTime_;
         }
 
         uint256 transferAmount_ = uint256(bytes32(callData_[36:68]));
 
-        require(transferAmount_ <= _getAvailableAmount(allowance), "ERC20StreamingEnforcer:allowance-exceeded");
+        require(transferAmount_ <= _getAvailableAmount(allowance_), "ERC20StreamingEnforcer:allowance-exceeded");
 
-        allowance.spent += transferAmount_;
+        allowance_.spent += transferAmount_;
 
         emit IncreasedSpentMap(
             msg.sender,
@@ -193,7 +193,7 @@ contract ERC20StreamingEnforcer is CaveatEnforcer {
             maxAmount_,
             amountPerSecond_,
             startTime_,
-            allowance.spent,
+            allowance_.spent,
             block.timestamp
         );
     }