embinding a templated class

[Ronny Nissengold]

Hi all!
here is a compiling example of a cpp templated class:

The question is is it possible to embind, for example for Foo<int> the member function

Foo<int>::add?

When trying the naiive approach it failed.

Thanks!

Ronny

template <class T>

class Foo

{

public:

Foo()

{

m_value = 0;

}

void add (T value)

{

m_value += value;

}

T m_value;

};

[Brion Vibber]

Sample code working for me with emcc 3.1.44:

#include <emscripten/bind.h>

using namespace emscripten;

template <class T>

class Foo

{

public:

Foo()

{

m_value = 0;

}

void add (T value)

{

m_value += value;

}

T m_value;

};

EMSCRIPTEN_BINDINGS(main) {

class_<Foo<int>>("Foo_int")

.constructor<>()

.function("add", &Foo<int>::add)

.property("value", &Foo<int>::m_value)

;

}

Sample use code runs in node 20.5.0:

let Module = require('./main.js');

Module().then((main) => {

let foo = new main.Foo_int();

console.log(`foo.value is ${foo.value}`);

console.log(`calling foo.add(15)`);

foo.add(15);

console.log(`foo.value is ${foo.value}`);

process.exit(0);

});

Makefile:

main.js : main.cpp

emcc -lembind -o main.js -O1 -s MODULARIZE=1 main.cpp

clean :

rm -f main.wasm

rm -f main.js

test :

node test.js

-- brion

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