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Functional Python Programming - Second Edition
book

Functional Python Programming - Second Edition

by Steven F. Lott
April 2018
Intermediate to advanced content levelIntermediate to advanced
408 pages
10h 42m
English
Packt Publishing
Content preview from Functional Python Programming - Second Edition

Building named tuples with functional constructors

There are three ways we can build NamedTuple instances. The choice of technique we use is generally based on how much additional information is available at the time of object construction.

We've shown two of the three techniques in the examples in the previous section. We'll emphasize the design considerations here. It includes the following choices:

  • We can provide the parameter values according to their positions. This works out well when there are one or more expressions that we were evaluating. We used it when applying the haversine() function to the start and end points to create a Leg object:
Leg(start, end, round(haversine(start, end), 4))
  • We can use the * argument notation to assign ...
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Functional Python Programming - Third Edition

Functional Python Programming - Third Edition

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Publisher Resources

ISBN: 9781788627061Supplemental Content