{ 24 } [ { 1 2 } { 3 4 } [ + ] [ * ] 2map-reduce ] unit-test
{ 2 96 } [ 2 { 3 3 3 3 } { 4 4 4 4 } [ [ dup ] 2dip * * ] [ + ] 2map-reduce ] unit-test
+{ 4 } [ 5 <iota> (maximum) ] unit-test
+{ 0 } [ 5 <iota> (minimum) ] unit-test
+{ 4 } [ 5 <iota> supremum ] unit-test
+{ 0 } [ 5 <iota> infimum ] unit-test
+{ 4 } [ 5 <iota> maximum ] unit-test
+{ 0 } [ 5 <iota> minimum ] unit-test
+
{ 4 } [ 5 <iota> [ ] supremum-by ] unit-test
{ 0 } [ 5 <iota> [ ] infimum-by ] unit-test
{ "bar" } [ { "bar" "baz" "qux" } [ length ] supremum-by ] unit-test