method
next
ruby latest stable - Class:
Integer
next()public
Returns the successor of int, i.e. the Integer equal to int+1.
1.next #=> 2 (-1).next #=> 0 1.succ #=> 2 (-1).succ #=> 0
VALUE
rb_int_succ(VALUE num)
{
if (FIXNUM_P(num)) {
long i = FIX2LONG(num) + 1;
return LONG2NUM(i);
}
if (RB_TYPE_P(num, T_BIGNUM)) {
return rb_big_plus(num, INT2FIX(1));
}
return num_funcall1(num, '+', INT2FIX(1));
}