Vim: vim-commentary

vim-commentary is a plugin that help make commenting code in a variety of languages much easier.

gcc toggle comments for [count] lines.

gc{motion} toggle comments over lines covered by the {motion}.

{visual}gc toggle comments over lines covered by the {visual} selection.

:[range]Commentary Toggle comments for the specfied range.

Some examples:

• gc3j toggle comments for this line and the next 3 lines
• gcaf comment out function in Go, uses the af text object provided by the vim-go plugin
• gci( toggle comments inside parenthesis.

Resources

:help commentary.txt

Source: https://github.com/tpope/vim-commentary