a follow up question, in the script, the 'output' map is used as 
map<string, int>:

output[request.host] = 1;
output[request.host]++

however, it's a map<string, string> in c++ side, which part of the c++ code 
handles such conversion?


On Thursday, June 29, 2017 at 5:07:20 PM UTC-4, Jakob Kummerow wrote:

> The equivalent of options.verbose is options["verbose"] (note the 
> quotes). Does that help?
>
> On Thu, Jun 29, 2017 at 10:07 PM, wxz <xzwan...@gmail.com <javascript:>> 
> wrote:
>
>> hi all,
>>
>> there are two maps used in this example, one for 'options', one for 
>> 'output'. My question is, why is that in the script, the brackets [] works 
>> for 'output', but not for 'options'?
>>
>> For example, if change the line:
>> options.verbose  ===> options[verbose]
>> it returns error: verbose is not defined
>>
>> However, 'output[request.host]' is perfectly fine.
>>
>> The two maps are installed with the same code, the wrap/unwrap are the 
>> same, what's the difference?
>>
>> I guess my confusion is what exactly does bracket mean here? Does it 
>> invoke the named property interceptor?
>>
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