FP Laboratory 2

Types

1. Using the GHCi command :info, learn the type of the following functions (and operators): +, sqrt, succ, max

1. 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 No comments '3 * 5 + 8 No comments '2 + 4 No comments 'sqrt 16 No comments 'succ 6 No comments 'succ 7 No comments 'pred 9 No comments 'pred 8 No comments 'sin (pi / 2) No comments 'truncate pi No comments 'round 3.5 No comments 'round 3.4 No comments 'floor 3.7 No comments 'ceiling 3.3 No comments