Registers filename to be loaded (using Kernel::require) the first
time that name (which may be a String or a symbol) is accessed in the namespace of
mod.
/*
* call-seq:
* mod.autoload(name, filename) => nil
*
* Registers _filename_ to be loaded (using <code>Kernel::require</code>)
* the first time that _name_ (which may be a <code>String</code> or
* a symbol) is accessed in the namespace of _mod_.
*
* module A
* end
* A.autoload(:B, "b")
* A::B.doit # autoloads "b"
*/
static VALUE
rb_mod_autoload(mod, sym, file)
VALUE mod;
VALUE sym;
VALUE file;
{
ID id = rb_to_id(sym);
Check_SafeStr(file);
rb_autoload(mod, id, RSTRING(file)->ptr);
return Qnil;
}