How to disable omnifunc autowrite suggestions

Question

I am new to vim and I installed vim-go today. I set up auto completion with gopls with omnifunc set as go#complete#Complete. It works as expected but it always writes the current suggestion automatically. this is very annoying since it always writes the suggestion without me accepting it.

Answer 1

It turns out the problem was the default value of completeopt option in vim. editing it to have the value noinsert solved the problem. add the following line in ~/.vimrc

set completeopt=menuone,popup,noinsert

The above is just an example. the values except noinsert are just my own preferences.