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Make joinHumanReadable work for input iterators.

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This commit is contained in:
chriseth 2018-08-14 11:31:51 +02:00
parent b30da8859a
commit 14e116c1d5
1 changed files with 12 additions and 16 deletions
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28
libdevcore/StringUtils.h
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@ -49,27 +49,23 @@ std::string joinHumanReadable
std::string const& _lastSeparator = ""
)
{
auto it = begin(_list);
auto itEnd = end(_list);
auto const itEnd = end(_list);
std::string result;
// append first string
if (it != itEnd)
for (auto it = begin(_list); it != itEnd; )
{
result += *it;
std::string element = *it;
bool first = (it == begin(_list));
++it;
}
for (;it != itEnd; ++it)
{
if ((std::next(it) == itEnd) && !_lastSeparator.empty())
result += _lastSeparator; // last iteration
else
result += _separator;
// append string
result += *it;
if (!first)
{
if (it == itEnd && !_lastSeparator.empty())
result += _lastSeparator; // last iteration
else
result += _separator;
}
result += std::move(element);
}
return result;