--- /dev/null
+#!perl
+
+use Test::More tests => 10;
+
+use warnings FATAL => 'all';
+use strict;
+
+use Function::Parameters { clathod => 'classmethod' };
+
+clathod id_1() { $class }
+
+clathod id_2
+ (
+
+ )
+ : #hello
+ (
+ $
+ )
+ {@_ == 0 or return;
+ $class
+ }
+
+clathod##
+ id_3 ##
+ ( ##
+ #
+ ) ##AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+ { ##
+ ##
+ } ##
+
+clathod add($y) {
+ $class + $y
+}
+
+clathod mymap(@args) :(&@) {
+ my @res;
+ for (@args) {
+ push @res, $class->($_);
+ }
+ @res
+}
+
+clathod fac_1() {
+ $class < 2 ? 1 : $class * fac_1 $class - 1
+}
+
+clathod fac_2() :($) {
+ $class < 2 ? 1 : $class * fac_2 $class - 1
+}
+
+ok id_1 1;
+ok id_1(1), 'basic sanity';
+ok id_2 1, 'simple prototype';
+ok id_3(1), 'definition over multiple lines';
+is add(2, 2), 4, '2 + 2 = 4';
+is add(39, 3), 42, '39 + 3 = 42';
+is_deeply [mymap { $_ * 2 } 2, 3, 5, 9], [4, 6, 10, 18], 'mymap works';
+is fac_1(5), 120, 'fac_1';
+is fac_2 6, 720, 'fac_2';
+is clathod ($y) { $class . $y }->(clathod () { $class + 1 }->(3), clathod () { $class * 2 }->(1)), '42', 'anonyfun';