1#!./perl 2 3sub foo { 4 if ($_[0] == 1) { 5 1; 6 } 7 elsif ($_[0] == 2) { 8 2; 9 } 10 elsif ($_[0] == 3) { 11 3; 12 } 13 else { 14 4; 15 } 16} 17 18print "1..4\n"; 19 20if (($x = &foo(1)) == 1) {print "ok 1\n";} else {print "not ok 1 '$x'\n";} 21if (($x = &foo(2)) == 2) {print "ok 2\n";} else {print "not ok 2 '$x'\n";} 22if (($x = &foo(3)) == 3) {print "ok 3\n";} else {print "not ok 3 '$x'\n";} 23if (($x = &foo(4)) == 4) {print "ok 4\n";} else {print "not ok 4 '$x'\n";} 24