FP Laboratory 1
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Working environment
Using the installation guide from Functional programming prepare your working environment.
How to verify it is working?
- Run
ghcifrom the command line. it will start GHC Interpreter, the output should be something like this:
GHCi, version 8.6.5: http://www.haskell.org/ghc/ :? for help
Prelude>
- If you write expression, for example
1+2*3, it should be evaluated. You can close this interpreter by typing:q. - Open Visual Studio Code, create a file
simple.hsand put there following lines of code:
doubleMe x = x * x
plus x y = x + y
