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Warn on unused local variables

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Analyze functions for all local variables, parameters, and named
return variables which are never used in the function, and issue
a warning.
This commit is contained in:
Rhett Aultman
2017-05-03 11:26:21 +02:00
committed by chriseth
parent c09f071ff6
commit a40c8cfb68
5 changed files with 205 additions and 36 deletions
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std/StandardToken.sol
+5 -5
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@@ -22,10 +22,10 @@ contract StandardToken is Token {
}
function transfer(address _to, uint256 _value) returns (bool success) {
return doTransfer(msg.sender, _to, _value);
success = doTransfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
if (m_allowance[_from][msg.sender] >= _value) {
if (doTransfer(_from, _to, _value)) {
m_allowance[_from][msg.sender] -= _value;
@@ -36,7 +36,7 @@ contract StandardToken is Token {
}
}
function doTransfer(address _from, address _to, uint _value) internal returns (bool success) {
function doTransfer(address _from, address _to, uint _value) internal returns (bool) {
if (balance[_from] >= _value && balance[_to] + _value >= balance[_to]) {
balance[_from] -= _value;
balance[_to] += _value;
@@ -47,13 +47,13 @@ contract StandardToken is Token {
}
}
function approve(address _spender, uint256 _value) returns (bool success) {
function approve(address _spender, uint256 _value) returns (bool) {
m_allowance[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
function allowance(address _owner, address _spender) constant returns (uint256) {
return m_allowance[_owner][_spender];
}
}