When the completion candidates are shown, press to display the documentation for the selected candidate, or C-w to see its source. Not all back-ends support this.
As far as I understand we do not support this although we could. <f1> could bring haddock, C-w could try to navigate to source.
As per company documentation:
As far as I understand we do not support this although we could.
<f1>
could bring haddock,C-w
could try to navigate to source.