GHCi commands

:?

Brings up the help.

:set +m

Allows typing multi-line definitions. Always start with this.

:set +t

Shows type information after each command.

:set +c

Shows timing information.

:load ...

Load the corresponding modules/scripts.

:add ...

Add the modules to the currently loaded set of modules.

:reload

Reload all the previously loaded modules/scripts to reflect any changes.

:quit

Exit (can also hit Ctrl-D).

:type <expr>

Show the type of the expression.