USING: grouping tools.test kernel sequences arrays ; IN: grouping.tests [ { 1 2 3 } 0 group ] must-fail [ { "hell" "o wo" "rld" } ] [ "hello world" 4 group ] unit-test [ { V{ "a" "b" } V{ f f } } ] [ V{ "a" "b" } clone 2 2 over set-length >array ] unit-test [ { { 1 2 } { 2 3 } } ] [ { 1 2 3 } 2 [ >array ] map ] unit-test