xref

Sean Hinde <>
Mon Apr 29 10:59:55 CEST 2002


> 
> Peter H|gfeldt <> wrote:
>  >
>  > On Fri, 26 Apr 2002, Joe Armstrong wrote:
>  >
>  > You just made a very trivial programming error:
>  >
>  > >  add_libs(P, L) ->
>  > >     foreach(fun(I) ->
>  > >                 Dir = code:lib_dir(stdlib) ++ "/ebin",
>  >                                      ^^^^^^   
>  >                   Dir = code:lib_dir(I) ++ "/ebin",
> 
> 
> Coming from a Prolog background, it never ceases to amaze me why
> the Erlang compiler (and experienced Erlang programmers) insist
> on having singleton variable warnings turned off...

Could it be because they are almost undocumented? All I could find was a
mention in the compiler release notes and an entry in erl_lint (which I have
never even opened before, and probably wouldn't if it didn't appear in a
documentation search on "warn_unused_vars")

Perhaps R9 will bring a list of ALL useful compiler flags into the COMPILER
documentation.

Sean



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