Converts self into an instance of klass. By default,
prec invokes
klass.induced_from(num)
and returns its value. So, if klass.induced_from doesn’t
return an instance of klass, it will be necessary to reimplement
prec.
/*
* call-seq:
* num.prec(klass) => a_klass
*
* Converts _self_ into an instance of _klass_. By default,
* +prec+ invokes
*
* klass.induced_from(num)
*
* and returns its value. So, if <code>klass.induced_from</code>
* doesn't return an instance of _klass_, it will be necessary
* to reimplement +prec+.
*/
static VALUE
prec_prec(x, klass)
VALUE x, klass;
{
return rb_funcall(klass, prc_if, 1, x);
}