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I'm genuinely curious how/why this is a problem for Python yet I've never heard of it being a problem for C#. In C# you can override Object.GetHashCode(), and

I'm genuinely curious how/why this is a problem for Python yet I've never heard of it being a problem for C#. In C# you can override Object.GetHashCode(), and there's no way in C# to even express the constraint/desire "the result of GetHashCode doesn't change (especially after insertion into a container)". Yet I've never heard of anyone in C# having a problem using mutable objects in sets or dictionaries?

hathawsh 10y ago
To be honest, most Python coders probably never get deep enough in the language to start overriding hash values, and those who do probably understand the implications before they get that deep.