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Results tagged with python
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Python is a dynamically typed, high-level interpreted programming language. Its design focuses on clear syntax, an intuitive approach to object-oriented programming, and making the right way to do things obvious. Python supports modules and exceptions, and has an extensive standard module library. Python is general-purpose and thus used widely, from the web to embedded systems.
2 votes
Is ad-hoc polymorphism a good practice in functional programming?
The difference is that in Python the type is always part of a value's runtime representation, so you might as well use it for the branch selection, whereas in Haskell types are normally erased at runtime … toX = fromAtoX instance XAble B where toX = fromBtoX instance XAble C where toX = fromCtoX In this case, there is no need to wrap the values, however this is in practice quite different from how your Python …
- 1,603
2 votes
Does subclassing int to forbid negative integers break Liskov Substitution Principle?
First of all, talking about something like this within Python is a bit like debating what sharpening technique works best on butter knifes, and then you also don't specify what int means to you, in its … In C# and moreso in Python you could get around these issues by changing the result type ad-hoc: the subclass + operator could just always return a PositiveInt, whereas the - operator could return a PostiveInt …
- 1,603