/*
 *  call-seq:
 *     mtch.string   => str
 *
 *  Returns a frozen copy of the string passed in to <code>match</code>.
 *
 *     m = /(.)(.)(\d+)(\d)/.match("THX1138.")
 *     m.string   #=> "THX1138."
 */

static VALUE
match_string(VALUE match)
{
    return RMATCH(match)->str;  /* str is frozen */
}