Map (higher-order function): Difference between revisions

Revision as of 15:44, 20 November 2023

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==Examples: mapping a list ==

Suppose we have a list of integers <code>[1, 2, 3, 4, 5]</code> and would like to calculate the [[Square (algebra)|square]] of each integer. To do this, we first define a function to <code>square</code> a single number (shown here in [[Haskell (programming language)|Haskell]]):

<syntaxhighlight lang="haskell">