Difference between revisions of "FP Laboratory 2"

Revision as of 12:15, 12 September 2019

Using the GHCi command :info, learn the type of the following functions (and operators): +, sqrt, succ, max
Get the information about the data type of following expressions and evaluate them. it is possible using the command :type. You can switch this option on for all commands by :set +t (removing by :unset +t).

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

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 #Using the GHCi command <code>:info</code>, learn the type of the following functions (and operators): <code>+, sqrt, succ, max</code>
-#Using the command <code>:set +t</code> it is possible to get the information about the type of the evaluated expressions. With this setting on evaluate expressions:
+#Get the information about the data type of following expressions and evaluate them. it is possible using the command <code>:type</code>. You can switch this option on for all commands by <code>:set +t</code> (removing by <code>:unset +t</code>).
 <syntaxhighlight lang="Haskell" >
 + 8