https://typeclasses.com/timepieces/lesson-1
This is a meant to demonstrate building a native clock app with the fltkhs and fltkhs-themes packages. This uses the fltkhs-light-theme-skeleton app as a starting point.
To build:
> git clone https://github.com/typeclasses/typeclasses-projects.git
> cd typeclasses-projects/clock-fltkhs
> stack build --flag fltkhs:bundled
To use in REPL:
> stack ghci --flag fltkhs:bundled --no-nix
> replMain
If you have nix enabled in your global Stack configuration, you may need to pass the --no-nix flag to the stack build, stack exec, or stack ghci commands. You shouldn't have to pass it to stack build but a few times I have had to. God knows why.