Just curious, if embind already supports pointers to objects which allows
us to persist changes to the input parameter, shouldn't we be able to do
the same thing for references?
On Tuesday, December 2, 2014 2:58:44 AM UTC+8, Chad Austin wrote:
>
> Hi,
>
> Your particular function could be expressed with a const reference. That
> is:
>
> int testReference(const int& input) {
> int ret = input;
> return ret;
> }
>
> (To see why it doesn't support non-const references, ask what you would
> expect embind to do when C++ modifies an argument passed to it from
> JavaScript.)
>
>
> On Tue, Nov 25, 2014 at 12:26 AM, raytrace <[email protected]
> <javascript:>> wrote:
>
>> Hi I want to use embind to expose below function with reference as
>> parameter, and build it using dmcc --bind flag,
>>
>> int testReference( int& input)
>> {
>> int ret = input;
>> return ret;
>> }
>>
>> EMSCRIPTEN_BINDINGS(my_module) {
>>
>> function("testReference", &testReference);
>> }
>>
>> however I am facing the below errors:
>>
>> */Users/swd/Emscripten/emsdk_portable/emscripten/1.25.0/system/include/emscripten/bind.h:316:25:
>>
>> **error: *
>>
>> * non-const lvalue reference to type 'int' cannot bind to a
>> temporary of type 'int'*
>>
>> internal::BindingType<Args>::fromWireType(args)...
>>
>> * ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*
>>
>>
>> Does Embind support functions with reference as parameter?
>>
>>
>> Thanks,
>>
>>
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>
>
>
> --
> Chad Austin
> Technical Director, IMVU
> http://engineering.imvu.com <http://www.imvu.com/members/Chad/>
> http://chadaustin.me
>
>
>
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