https://github.com/elm-lang/elm-make/blob/master/src/Pipeline/Generate.hs
In the Elm core, they are just wrappers like:
```javascript
function F2(fun)
{
function wrapper(a) { return function(b) { return fun(a,b); }; }
wrapper.arity = 2;
wrapper.func = fun;
return wrapper;
}
function A2(fun, a, b)
{
return fun.arity === 2
? fun.func(a, b)
: fun(a)(b);
}
```
On Tuesday, August 23, 2016 at 1:23:09 PM UTC-6, jeff...@gmail.com wrote:
>
> The source code for Elm virtual-dom contains a file VirtualDom.js
> In this file are calls to functions F2(), F3(), A2(), A3().
> I can't find where these functions are defined or what they do, and I
> would like to know.
>
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