[erlang-questions] Local namespaces in case/try

[Sergei Lebedev]

Richard,

While this indeed *may* be a sign of a problem in your code, for the original example this is hardly the case. Splitting the function apart *only* because of compiler limitations sounds like an ad-hoc hack, not a real solution. 

-- Sergei

On Jul 10, 2012, at 1:02 PM, Richard Carlsson wrote:

> On 07/10/2012 10:43 AM, Dmitry Groshev wrote:
>> case do_something() of
>>     {ok, Result} -> Result;
>>     {error, Error} -> Error
>> end,
>> case do_another() of
>>     {ok, Result} -> Result;
>>     {error, Error} -> Error
>> end,
>> 
>> Result and Error are bound in first case and we will probably have a
>> match failure in second one. Compiler warns about this, but it's still
>> very unwieldy to fix it with names like Error1, Error2, etc.
> 
> Take it as a sign that you should break out those case expressions into separate functions, or restructure the code in some other way.
> 
>    /Richard
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