Maxximiliann
$ iex -S mix
Erlang/OTP 23 [erts-11.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe]
Compiling 3 files (.ex)
warning: "else" clauses will never match because all patterns in "with" will always match
lib/WalletValue.ex:1
WalletValue.ex:1 -
defmodule WalletValue do
What’s more, this module does not employ any “with” statements so how do I resolve this warning?
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kokolegorille
It is impossible to debug this without more info…
You can try to search for with inside your code and show relevant part.
Maxximiliann
Hmmm . . . the particular module referenced in the error message doesn’t use any “with” statements so are you suggesting the entire codebase be searched for such a statement?
kokolegorille
If You are on unix, You can try…
but the name seems wrong, as it is camelcase, but files are usually underscore. And the location is strange too, as it is not in a context.
al2o3cr
Error messages pointing at line 1 are sometimes a symptom of a macro that’s generating code that triggers a warning.
Maxximiliann
Interesting. How do I discover out which macro is responsible?
lud
Can you show the module code?
Maxximiliann
Sorry, no. Thing is I didn’t create any macros in any modules for this project. Where should I look for the potential offending macro, then?
Kurisu
Without showing any code it won’t be easy for people to help you…
Maybe could you remove the
WalletValuemodule completely from the project to see if you still gets this error? Once you find the culprit module (the one that the removal removes also the warning) I guess you would be closer to a fix.Good luck.
NobbZ
Those that you have not created by yourself.
Look out for calls to
use/2,import/2andrequire/2. Forimports andrequires you also need to check the calls into therequired/imported modules whether they are macros or function calls.It would really be much easier for us to debug with you, if you were stripping the offending module as much as possible and then create a minimal project at GitHub that show the problem.
Maxximiliann
Thanks for the suggestion. It seems that the issue is with a library the module is using since removing it clears the warnings.