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Common: Added liѕtDiff template function

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This commit is contained in:
Paul Beckingham 2015-12-22 08:45:40 -05:00
parent 83d7134d64
commit f637a10078
4 changed files with 117 additions and 1 deletions
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40
src/common/text.h
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@ -70,5 +70,45 @@ const std::string format (const std::string& fmt, Args... args)
return format (1, fmt, args...);
}
// List operations.
template <class T> void listDiff (
const T& left, const T& right, T& leftOnly, T& rightOnly)
{
leftOnly.clear ();
rightOnly.clear ();
for (unsigned int l = 0; l < left.size (); ++l)
{
bool found = false;
for (unsigned int r = 0; r < right.size (); ++r)
{
if (left[l] == right[r])
{
found = true;
break;
}
}
if (!found)
leftOnly.push_back (left[l]);
}
for (unsigned int r = 0; r < right.size (); ++r)
{
bool found = false;
for (unsigned int l = 0; l < left.size (); ++l)
{
if (left[l] == right[r])
{
found = true;
break;
}
}
if (!found)
rightOnly.push_back (right[r]);
}
}
#endif
////////////////////////////////////////////////////////////////////////////////