Installation:

nimble install inim

Obligatory gif

I highly recommend using the straight package manager

(straight-use-package
 '(inim
   :type git
   :host github
   :repo "serialdev/inim-mode"
   :config
   (add-hook inim-mode-hook #'evcxr-minor-mode)
))

Alternatively pull the repo and add to your init file

git clone https://github.com/SerialDev/inim-mode

Hard Requirements

Inim is required s.el is required

Current functionality:

C-c C-p [Start repl]
C-c C-b [Eval buffer]
C-c C-l [Eval line]
C-c C-r [eval region]