Modules

Modules

1. The modules are a collection or set of functions

   • The modules can to implement in our programs
     • To use a module you put import and the name of the module
       • To use a function of the module it has to be implemented like this
       • In case you already have a function and the module brings a function with the same name you can avoid
       • Import Qualified, is a way to avoid collisions, with this command is used to call the function of the imported module

2. Data.List

   • This module deals with lists only, has some functions that help with job
   • IsInfixOf, isPrefixOf, isSuffixOf are a search functions, it returns a Boolean expression, true when the search is satisfactory and false when it is not
   • splitAt is a function that separate a elements list
   • Functions that include elements to the list
     • intersparse
     • Intercalate
     • transpose

3. Data.Char

   • This module contains functions for Characters and returns a boolean expression
     • IsNumber
     • Words
     • digitToInt
     • ToUpper
     • IsAscciLower
     • IsAlpha
     • Filter
     • IntToDigit
     • ToLower

4. Data.Map

   • Association list, are to save key value pairs
     • findKey

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