A LegacyInputIterator is a LegacyIterator that can read from the pointed-to element. LegacyInputIterators only guarantee validity for single pass algorithms: once a LegacyInputIterator i has been incremented, all copies of its previous value may be invalidated.| en.cppreference.com
Defined in header <vector>| en.cppreference.com
Introduction¶| clang.llvm.org