FP Laboratory 2

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Types

  1. Using the GHCi command :info, learn the type of the following functions (and operators): +, sqrt, succ, max
  2. Using the command :set +t it is possible to get the information about the type of the evaluated expressions. With this setting on evaluate expressions:
5 + 8 
3 * 5 + 8
2 + 4
sqrt 16 
succ 6
succ 7
pred 9
pred 8
sin (pi / 2)
truncate pi
round 3.5
round 3.4 
floor 3.7 
ceiling 3.3