between?

/*
 *  call-seq:
 *     obj.between?(min, max)    => true or false
 *  
 *  Returns <code>false</code> if <i>obj</i> <code><=></code>
 *  <i>min</i> is less than zero or if <i>anObject</i> <code><=></code>
 *  <i>max</i> is greater than zero, <code>true</code> otherwise.
 *     
 *     3.between?(1, 5)               #=> true
 *     6.between?(1, 5)               #=> false
 *     'cat'.between?('ant', 'dog')   #=> true
 *     'gnu'.between?('ant', 'dog')   #=> false
 *     
 */

static VALUE
cmp_between(x, min, max)
    VALUE x, min, max;
{
    if (RTEST(cmp_lt(x, min))) return Qfalse;
    if (RTEST(cmp_gt(x, max))) return Qfalse;
    return Qtrue;
}