this doesn't work:
template bind(alias indeces)
{
static if(is(typeof(indeces) : int[]))
{
auto bind(D,V...)(D dg,V values)
{
static if(is(D d : R delegate(U), R, U...) &&
is(V ==
Combination!(indeces,ParameterTypeTuple!D)))
{
static if(indeces.length > 1)
return
bind!(update!(indeces,indeces[0])[1..$]).bind(Curry!(indeces[0])(dg,values[0]),values[1..$]);
else static if(indeces.length == 1)
return Curry!(indeces[0])(dg,values[0]);
}
}
}
}
while this works :
class Bind(alias indeces)
{
static if(is(typeof(indeces) : int[]))
{
static auto opCall(D,V...)(D dg,V values)
{
static if(is(D d : R delegate(U), R, U...) &&
is(V ==
Combination!(indeces,ParameterTypeTuple!D)))
{
static if(indeces.length > 1)
return
Bind!(update!(indeces,indeces[0])[1..$])(Curry!(indeces[0])(dg,values[0]),values[1..$]);
else
return Curry!(indeces[0])(dg,values[0]);
}
}
}
}