All Questions
Tagged with python functional-programming
30 questions
2
votes
6
answers
521
views
Is OOP really beneficial for enterprise-scale business software compared to procedural languages like ABAP or COBOL?
I'm currently drafting a Python coding standard for internal enterprise use, primarily targeting business applications that involve heavy data access, reporting, and transactional logic.
In this ...
- 67
1
vote
2
answers
209
views
Should I add functionality by adding a new method to a class - or should I "register" the new functionality into a data structure?
I have one large class that computes ~50 different metrics (each metric has no side effects).
My code is similar to this:
class ReportingMetrics:
def __init__(self, data:pd.DataFrame, config:dict)...
- 343
0
votes
1
answer
1k
views
How to test a function with several conditional nested side effects
In Python, consider a function like the following:
def main(*args):
value1 = pure_function1(*args)
if condition(value1):
value = side_effect1(value1)
if value:
...
- 109
11
votes
6
answers
3k
views
Is ad-hoc polymorphism a good practice in functional programming?
I am developing a utils data engineering package in python, and for the sake of reusability and readability, I chose the functional programming (FP) approach.
Assume a key task of converting data from ...
- 221
-1
votes
1
answer
101
views
Design suggestions for my simple data-analysis program
I need to create a program with the purpose of cross-referencing personal info from a spreadsheet(s), to check for conflicts of interest between clients of 3 different law firms. All of this client ...
- 99
-1
votes
1
answer
225
views
Refactoring: Pythonic way of reducing the subclasses?
background: so, I am working on an NLP problem. where I need to extract different types of features based on different types of context from text documents. and I currently have a setup where there is ...
- 109
1
vote
4
answers
901
views
Design pattern for a function class
I have been experimenting with the idea of function classes as explained in this article and Composition applied to function dependencies as described in the following questions:
https://stackoverflow....
- 267
1
vote
1
answer
203
views
Representing mathematical tree structures using software in a compact manner
In my work I frequently come across systems of interdependent equations. I have contrived a toy example as follows. The terminal values w, x, y and z are given:
e(y) = A+B
A(y) = x*log(y)+y^z
B(y) =...
- 267
1
vote
1
answer
327
views
Python - Paradigm to compute different formulas with the same function
I have different equations to compute the same quantity. For example, val = my_func(a, b, c) but also val = my_func(x, y), where my_func represents the quantity I would like to compute: it could be ...
- 147
1
vote
3
answers
250
views
What is a good method/practice I can employ to keep identical code snippits in two places in sync? Also, help documenting functionals
If I could get some input on the design of this, I would be grateful as well.
Note that I'm programming in python.
There's a function F that takes lots of data, runs some analysis on it (taking ...
- 165
26
votes
4
answers
8k
views
Functional style exception handling
I've been told that in functional programming one is not supposed to throw and/or observe exceptions. Instead an erroneous calculation should be evaluated as a bottom value. In Python (or other ...
- 381
2
votes
2
answers
821
views
Unknown number of arguments in currying
Hypothetical situation - can a currying function have an unknown number of arguments (kind of like varargs)
Eg in Python:
addByCurrying(1)(2)(3)(4)
Should equal 10
addByCurrying(5)(6)
Should equal ...
- 353
2
votes
3
answers
4k
views
Function Overloading in Python
My book says that function overloading is not possible in python but it asks me questions like:
WAP to find out the volume of a cube,cuboid and cylinder using function overloading.
Do I have to ...
- 123
5
votes
1
answer
3k
views
Patterns for sharing context variables between functions
I am looking for ways of passing around a set of contextual variables that are required by functions.
As a Python programmer, right now I can see three ways of solving the problem: passing them ...
- 177
20
votes
5
answers
3k
views
Is the benefit of the IO monad pattern for handling side effects purely academic?
Sorry for yet another FP + side effects question, but I couldn't find an existing one which quite answered this for me.
My (limited) understanding of functional programming is that state/side effects ...
- 311