Used in a code snippet that appears in a research paper, likely a monospace font

Question

Any code snippet appearing in this paper https://dl.acm.org/doi/pdf/10.1145/3473569.

Answer 1

You can read out embedded fonts out of a PDF. 

So. these fonts appear in the snippet: 

• Linux Bolinium TI
• Linux Bolinium TB
• Linux Libertine T
• Inconsolata

I think you are after Inconsolata by Raph Levien.