It's just a font, the underlying text is still the same no matter what font you use to render it. In fact, you could set Fira Code (or Hasklig) as the font for

It's just a font, the underlying text is still the same no matter what font you use to render it. In fact, you could set Fira Code (or Hasklig) as the font for your terminal and (as long as your terminal app can render ligatures) it would render in emacs or any terminal-based editor.