hyperion0201

sudo pacman -S ruby ruby-rdoc

gem update
gem install jekyll

# Add this line to .zshrc (if you are using ZSH) : export PATH=$HOME/.gem/ruby/2.6.0/bin:$PATH
# For default terminal, add to .bashrc

gist:5cf0c8f445cc255d36a6d5b25bbf31f4

#include <iostream>
#include <string>
#include <list>
#include <unordered_map>

class KeyHasher {
public:
    std::size_t operator()(const int& k) const {
        return k%2;
    }