vim-rescript tries to use complete:
|
let l:command = g:rescript_analysis_exe . " complete " . @% . " " . ( c_line - 1) . " " . (c_col - 1) . " " . l:tmpname |
The underlying rescript-editor-analysis.exe expects completion:
https://github.com/rescript-lang/rescript-vscode/blob/master/analysis/src/Cli.ml#L66