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BAN: Implement distance() for iterators

This commit is contained in:
Bananymous 2023-12-07 22:25:54 +02:00
parent 19604015de
commit bf3e9eabd5
1 changed files with 19 additions and 0 deletions
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19
BAN/include/BAN/Iterators.h
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@ -36,6 +36,25 @@ namespace BAN
return it - count; return it - count;
} }
template<typename It>
size_t distance(It it1, It it2)
{
size_t dist = 0;
while (it1 != it2)
{
++it1;
++dist;
}
return dist;
}
template<typename It>
requires requires(It it1, It it2) { requires is_integral_v<decltype(it2 - it1)>; }
size_t distance(It it1, It it2)
{
return it2 - it1;
}
template<typename T, typename Container, bool CONST> template<typename T, typename Container, bool CONST>
class IteratorSimpleGeneral class IteratorSimpleGeneral
{ {