maennchen
Dialyzer - The created fun has no local return
I’m trying to fix all dialyzer warnings in quantum for the next big release. There are two errors which I’m not able to solve.
The errors are:
lib/quantum.ex:69: The created fun has no local return
lib/quantum/normalizer.ex:37: Function normalize/2 has no local return
Here is the spec which I think is offending dialyzer.
# Quantum.Normalizer.normalize/2
@spec normalize(Job.t, config_full_notation | config_short_notation) :: Job.t | no_return
Involved Files:
- https://github.com/jshmrtn/quantum-elixir/blob/5ace42c7e88ecdb7eb6b0fdea768b430ed18b61d/lib/quantum/normalizer.ex
- https://github.com/jshmrtn/quantum-elixir/blob/5ace42c7e88ecdb7eb6b0fdea768b430ed18b61d/lib/quantum.ex
Steps tried to solve the issue:
- Added
no_returnto the specs return type - Tried to locate a specific function that causes the problem
Both steps were not succesfull.
The current progress can be seen in this WIP PR: https://github.com/c-rack/quantum-elixir/pull/255
Most Liked
dom
no_return means there is no local return whatsoever, the function can only crash or loop infinitely. If the function can return a value in at least one code path, then it should not be labeled no_return.
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