import Op from require 'core' class str extends Op @doc: "(str v1 [v2]...) (.. v1 [v2]...) - concatenate/stringify values" setup: (...) => @children = { ... } update: (dt) => for child in *@children child\update dt @value = table.concat [tostring child\get! for child in *@children] { :str, '..': str }