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pp:l04x [2021/04/05 13:00]
calin_andrei.bucur 		pp:l04x [2021/04/05 14:51] (current)
alexandru.poboranu add a Context in the last 2 ex
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 21. Write a function ''​search''​ which takes a ''​Context''​ and a variable name and returns the value from that context (it is guaranteed, that exactly one value exists for each variable on which the function is called; you don't need to account for any edge-case). 21. Write a function ''​search''​ which takes a ''​Context''​ and a variable name and returns the value from that context (it is guaranteed, that exactly one value exists for each variable on which the function is called; you don't need to account for any edge-case).
  
-22. Write a function ''​evalA''​ which takes an ''​AExpr''​ and returns a single integer representing its evaluated value.+22. Write a function ''​evalA''​ which takes a ''​Context''​ and an ''​AExpr''​ and returns a single integer representing its evaluated value.
  
-23. Write a function ''​evalB''​ which takes a ''​BExpr''​ and returns a single boolean representing its evaluated value.+23. Write a function ''​evalB''​ which takes a ''​Context''​ and a ''​BExpr''​ and returns a single boolean representing its evaluated value.