For example:[altair@stormwind diveintoperl6]$ cat > higher-order.p6#!/usr/bin/env pugsuse v6;sub hiordr(&b,$v) { b $v;}hiordr({ say $_; },asdf);[altair@stormwind diveintoperl6]$ pugs higher-order.p6asdf[altair@stormwind diveintoperl6]$it is worth noting that, you could rewrite the above call to hiordr as simply hiorder(&say,asdf);Obviously though, if you need to do something other than just use