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Bring code examples inline with style guide

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This commit is contained in:
Chris Ward 2019-05-29 14:35:48 +02:00
parent c9e2d388b5
commit b015d2cd40
1 changed files with 28 additions and 26 deletions
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54
docs/contracts/using-for.rst
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@ -33,39 +33,41 @@ Let us rewrite the set example from the
pragma solidity >=0.4.16 <0.7.0;
// This is the same code as before, just without comments
library Set {
struct Data { mapping(uint => bool) flags; }
struct Data { mapping(uint => bool) flags; }
function insert(Data storage self, uint value)
public
returns (bool)
{
if (self.flags[value])
return false; // already there
self.flags[value] = true;
return true;
}
function insert(Data storage self, uint value)
public
returns (bool)
{
if (self.flags[value])
return false; // already there
self.flags[value] = true;
return true;
}
function remove(Data storage self, uint value)
public
returns (bool)
{
if (!self.flags[value])
return false; // not there
self.flags[value] = false;
return true;
}
function remove(Data storage self, uint value)
public
returns (bool)
{
if (!self.flags[value])
return false; // not there
self.flags[value] = false;
return true;
}
function contains(Data storage self, uint value)
public
view
returns (bool)
{
return self.flags[value];
}
function contains(Data storage self, uint value)
public
view
returns (bool)
{
return self.flags[value];
}
}
contract C {
using Set for Set.Data; // this is the crucial change
Set.Data knownValues;