UltiSnips is the ultimate solution for snippets in Vim. It has many features, speed being one of them. In this demo I am editing a python file. I first expand the #! snippet, then the class snippet. The completion menu comes from YouCompleteMe, UltiSnips also integrates with deoplete, vim-easycomplete and more. I can jump through placeholders and add text while the snippet inserts text in other pl