Small script based on uzbl for viewing online rust docs from Vim.
The binary can be placed anywhere visible to Vim. I recommend a standard binary
Set 'keywordprg' to the rusth script. This is only helpful for Rust buffers, so if you have autocmd and rust.vim you can add something like the following to your vimrc:
au FileType rust setl keywordprg=/usr/local/bin/rusth
See the Vim