Fir is a ruby repl that is an alternative to IRB. Fir aims to bring some of the friendly features that the fish project brought to shells to a ruby repl. Fir does bring some features to the table that pry and other REPL's do not have. The key difference between pry, IRB, Ripl, etc, and Fir is that Fir puts stdin into raw mode which allows us to provide features like autosuggestion a la fish, and a