SBT-like features in the Haskell build ecosystem

Question

I\'ve been using Scala with SBT quite a bit lately. The REPL loop of has a handy feature: ~ COMMAND, meaning perform COMMAND for every source file change in the pro

Answer 1

You can script ghci to both define your own commands, and augment existing commands. To do this:

• define a ~/.ghci file
• write a macro using :def to replace e.g. :reload

More info on GHCi :def commands is here.