add: pi = parse( "foo", (anychar_p & anychar_p), ch_p(' ') ); assert(pi.hit);
context: operators_tests(){    parse_info<char const*> pi;    pi = parse("Hello World", str_p("Hello ") >> "World");    assert(pi.hit);    assert(pi.full);    assert(pi.length == 11);    assert(*pi.stop == 0);    pi = parse("Banana", str_p("Banana") | "Pineapple");    assert(pi.hit);    assert(pi.full);    assert(pi.length == 6);    assert(*pi.stop == 0);    pi = parse("Pineapple", str_p("Banana") | "Pineapple");    assert(pi.hit);    assert(pi.full);    assert(pi.length == 9);    assert(*pi.stop == 0);    pi = parse("a.2  ", alpha_p || ('.' >> digit_p));    assert(pi.hit);    assert(pi.length == 3);    pi = parse("a  ", alpha_p || ('.' >> digit_p));    assert(pi.hit);    assert(pi.length == 1);    pi = parse(".1  ", alpha_p || ('.' >> digit_p));    assert(pi.hit);    assert(pi.length == 2);    pi = parse("1.a  ", alpha_p || ('.' >> digit_p));    assert(!pi.hit);    pi = parse("abcdefghij", +xdigit_p & +alpha_p);    assert(pi.hit);    assert(pi.length == 6);    pi = parse("abcdefghij", +alpha_p & +xdigit_p);    assert(!pi.hit);    pi = parse("abcdefghij", +digit_p & +alpha_p);    assert(!pi.hit);    pi = parse("abcdefghij", +alpha_p & +digit_p);    assert(!pi.hit);    pi = parse("F", xdigit_p - range_p('5','8'));    assert(pi.hit);    assert(pi.length == 1);    pi = parse("0", xdigit_p - range_p('5','8'));    assert(pi.hit);    assert(pi.length == 1);    pi = parse("4", xdigit_p - range_p('5','8'));    assert(pi.hit);    assert(pi.length == 1);    pi = parse("9", xdigit_p - range_p('5','8'));    assert(pi.hit);    assert(pi.length == 1);    pi = parse("5", xdigit_p - range_p('5','8'));    assert(!pi.hit);    pi = parse("7", xdigit_p - range_p('5','8'));    assert(!pi.hit);    pi = parse("x*/", anychar_p - "*/");    assert(pi.hit);    assert(pi.length == 1);    pi = parse("*/", anychar_p - "*/");    assert(!pi.hit);    pi = parse("switcher  ", str_p("switcher") - "switch");    assert(pi.hit);    assert(pi.length == 8);    pi = parse("Z", alpha_p ^ xdigit_p);    assert(pi.hit);    assert(pi.length == 1);    pi = parse("1", alpha_p ^ xdigit_p);    assert(pi.hit);    assert(pi.length == 1);    pi = parse("B", alpha_p ^ xdigit_p);    assert(!pi.hit);    pi = parse("B", !alpha_p);    assert(pi.hit);    assert(pi.length == 1);    pi = parse("1", !alpha_p);    assert(pi.hit);    assert(pi.length == 0);    assert(*pi.stop == '1');    pi = parse("1234 5678 1234 5678", *(+digit_p >> *space_p));    assert(pi.hit);    assert(pi.full);    assert(pi.length == 19);    assert(*pi.stop == 0);    pi = parse("abcdefghijklmnopqrstuvwxyz123", *alpha_p);    assert(pi.hit);    assert(pi.length == 26);    pi = parse("1234+5678*1234/5678", +digit_p % (ch_p('+') | '*' | '/'));    assert(pi.hit);    assert(pi.full);    assert(pi.length == 19);    assert(*pi.stop == 0);    pi = parse("1234+", +digit_p % '+');    assert(pi.hit);    assert(!pi.full);    assert(pi.length == 4);}