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On 2014-05-27 00:49, Jonathan Wilkes wrote:
because the final "0" is the way to tell Pd "no more args,
please". Since we didn't specify any in the first place, it is
equivalent to writing "A_NULL" followed by the "0".
hmm.
this is valid C-code:
class_addmethod(x_class, (t_method)x_foo, gensym("foo"), 0);
but it is not valid C++-code, since the first argument after the
symbol must be of type (t_atomtype).
in C++ you would have to write either
class_addmethod(y_class, (t_method)y_foo, gensym("foo"), A_NULL);
or
class_addmethod(x_class, (t_method)x_foo, gensym("foo"),
static_cast<t_atomtype>(0));
t_atomtype is an enumeration, so it's valid to use an int instead in
C, but not in C++.
so i guess your explanation should read:
"A_NULL" is the way to tell Pd "no more args, please".
ghmsdr
IOhannes
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