[erlang-bugs] Map updates with binaries on the lhs do not compile

[Anthony Ramine]

There:

	https://github.com/erlang/otp/pull/252

-- 
Anthony Ramine

Le 1 mars 2014 à 16:14, Anthony Ramine <n.oxyde@REDACTED> a écrit :

> Am fixing this.
> 
> Map arguments aren’t properly expanded in the sys_pre_expand module.
> 
> -- 
> Anthony Ramine
> 
> Le 1 mars 2014 à 10:47, José Valim <jose.valim@REDACTED> a écrit :
> 
>> The following example does not work:
>> 
>> -module(foo).
>> -compile(export_all).
>> 
>> bar() ->
>>  (some:code(<<"hello">>))#{name => <<"world">>}.
>> 
>> With the following error:
>> 
>> foo.erl: internal error in core_module;
>> crash reason: badarg
>> 
>>  in function  lists:member/2
>>     called as lists:member(big,default)
>>  in call from v3_core:verify_suitable_fields/1 (v3_core.erl, line 805)
>>  in call from v3_core:constant_bin_1/1 (v3_core.erl, line 788)
>>  in call from v3_core:constant_bin/1 (v3_core.erl, line 782)
>>  in call from v3_core:expr_bin/3 (v3_core.erl, line 766)
>>  in call from v3_core:expr/2 (v3_core.erl, line 508)
>>  in call from v3_core:safe/2 (v3_core.erl, line 1407)
>>  in call from v3_core:expr/2 (v3_core.erl, line 483)
>> 
>> I am assuming the binaries on the left hand side of the update operator are not being normalized, that's why we are attempting lists:member(big, default), where "default" was supposed to be replaced by the normalized binary values.
>> 
>> Thank you!
>> 
>> José Valim
>> www.plataformatec.com.br
>> Skype: jv.ptec
>> Founder and Lead Developer
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>