January 2020
Intermediate to advanced
470 pages
11h 13m
English
Content preview from Mastering JavaScript Functional Programming - Second Edition
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Partial application with arrow functions
Trying to do partial application by hand, as we did with currying, is too complicated. For instance, for a function with five parameters, you would have to write code that would allow the user to provide any of the 32 possible combinations of fixed and unfixed parameters, 32 being equal to 2 raised to the fifth power. And, even if you could simplify the problem, it would still remain hard to write and maintain. See Figure 7.2 for one of many possible combinations:
Figure 7.2: Partial application may let you first provide some parameters, and then provide the rest, to finally get the result.
Doing partial ...
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