Remove and cleanup functions in std::vec#9062

Closed

bluss wants to merge 5 commits intorust-lang:masterfrom bluss:vec-iterator

Commits on Sep 10, 2013

std::vec: Change fn unzip to take an iterator argument
blake2-ppc
committed
std::vec: Replace each_permutation with a new Permutations iterator
blake2-ppc
committed
std::vec: Update module doc text
blake2-ppc
committed
std::vec: Remove the function same_length
blake2-ppc
committed
std::at_vec and vec: Unify build_sized, build_sized_opt into build
blake2-ppc
committed