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362 |
362 |
363 \subsection*{Loops, or the Absence of} |
363 \subsection*{Loops, or the Absence of} |
364 |
364 |
365 Coming from Java or C, you might be surprised that Scala does |
365 Coming from Java or C, you might be surprised that Scala does |
366 not really have loops. It has instead, what is in functional |
366 not really have loops. It has instead, what is in functional |
367 programming called ,\emph{maps}. To illustrate how they work, |
367 programming called, \emph{maps}. To illustrate how they work, |
368 lets assume you have a list of numbers from 1 to 8 and want to |
368 lets assume you have a list of numbers from 1 to 8 and want to |
369 build the list of squares. The list of numbers from 1 to 8 |
369 build the list of squares. The list of numbers from 1 to 8 |
370 can be constructed in Scala as follows: |
370 can be constructed in Scala as follows: |
371 |
371 |
372 \begin{lstlisting}[numbers=none] |
372 \begin{lstlisting}[numbers=none] |