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i come from python and my first interpretation was that they can work like decorators, but that's clearly not the case.

my question is how do i modify class data with an attribute?

like how in python you can decorate a class like this:

def change(name, value):
    def wrapper(cls):
        setattr(cls, name, value)
        return cls

    return wrapper

# ...

@change("num", 4)
class MyClass:
    def __init__(self):
        self.num = 10

mc = MyClass()
print(mc.num) # prints 4 and not 10

def change(name, value):
    def wrapper(cls):
        setattr(cls, name, value)
        return cls

    return wrapper

# ...

@change("num", 4)
class MyClass:
    def __init__(self):
        self.num = 10

mc = MyClass()
print(mc.num) # prints 4 and not 10

how would i do this in C#?

C#•2y ago•

111 replies

axo

null check raising errors

def change(name, value):
    def wrapper(cls):
        setattr(cls, name, value)
        return cls

    return wrapper

# ...

@change("num", 4)
class MyClass:
    def __init__(self):
        self.num = 10

mc = MyClass()
print(mc.num) # prints 4 and not 10

def change(name, value):
    def wrapper(cls):
        setattr(cls, name, value)
        return cls

    return wrapper

# ...

@change("num", 4)
class MyClass:
    def __init__(self):
        self.num = 10

mc = MyClass()
print(mc.num) # prints 4 and not 10

how would i do this in C#?

null check raising errors

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