--- /dev/null
+#!perl
+use strict;
+use warnings FATAL => 'all';
+use Test::More;
+
+use Function::Parameters;
+
+fun mul ($x, $y) {
+ return $x * $y;
+}
+
+is(mul(3, 4), 12);
+
+fun sum (@nums) {
+ my $sum;
+ for my $num (@nums) {
+ $sum += $num;
+ }
+ return $sum;
+}
+
+is(sum(1, 2, 3, 4), 10);
+
+{
+ package Foo;
+ use Function::Parameters;
+ fun foo { }
+}
+
+ok(exists $Foo::{foo});
+
+done_testing;