[erlang-questions] erlang sucks

[Kevin Scaldeferri]

On Mar 17, 2008, at 6:31 AM, Jani Hakala wrote:

> attila.rajmund.nohl@REDACTED writes:
>
>> I don't think that immutable variables make it easier to write less
>> buggier code. On the contrary, I often see code like this:
>>
>> HR1=f(HugeRecord),
>> ...
>> g(HR1).
>>
>> Then someone adds a line to modify the HugeRecord and forgets to  
>> update
>> the call to 'g':
>>
>> HR1=f(HugeRecord),
>> HR2=f2(HR1),
>> ...
>> g(HR1).
>>
>> Now we have a stupid bug.
>>
> The compiler would warn about that
>    Warning: variable 'HR2' is unused


These examples always feel like people are insisting on writing  
imperative code in a functional language.  Why not:

HR1 = f2(f(HugeRecord)),
...
g(HR1)


There you go: no bug.


-kevin