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Panu Kalliokoski wrote: > I've also thought about this. I know the thunk version is more > expressive. However, I also think that a simple default value is the > common case. I'd like to have both. Another alternative might be to have either ;; I prefer this option (hash-table-get ht key [failure-thunk]) (hash-table-get/default ht key default) or ;; However, this would also work (hash-table-get ht key [default]) (hash-table-get/failure-continuation ht key failure-thunk) perhaps spelling hash-table-get/failure-continuation as hash-table-get/fk. Tony