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What's the address for?

On Mon, 18 Feb 2019 11:59:18 +0000, Stefan Ram wrote:

> When one prints a function, one might get something like:
> <function sum.operation at 0x0000000001E71BF8>
>   . The participants of my basic course asked me what the address is
>   for. I did not know.
>   What's so important about the (presumed) address of a function that it
>   is shown on every stringification of each function?

it is the internal id of the function - Not necessarily an address, that 
is an implementation detail.

it is not intended for use within a program & has (almost) no practical 

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