Make Enumerator::Lazy#with_index be lazy
Previously, Enumerator::Lazy#with_index was not defined, so it picked up the default implementation from Enumerator, which was not lazy.
Based on earlier patch from nobu.
Fixes [Bug #7877]
Added by jeremyevans (Jeremy Evans) over 4 years ago
Make Enumerator::Lazy#with_index be lazy
Previously, Enumerator::Lazy#with_index was not defined, so it
picked up the default implementation from Enumerator, which was
not lazy.
Based on earlier patch from nobu.
Fixes [Bug #7877]