Haskell ghci lambda symbol in tooltip

Question

In Haskell ghci it is possible (and how) to get a lambda character in a tooltip, for example, how

λ> 

Using Linux Ubuntu.

Answer 1

The command you are looking for is :set prompt . Follow it with what you want it to be. You can put this in .ghci , I suppose.

 :set prompt "λ> " :set prompt2 "λ| " 

Answer 2

You can use the following command to use the lambda character:

 :set prompt "\x03BB: "