gotcha, thank you On Sunday, February 5, 2017 at 8:27:11 PM UTC+1, Matthew Butterick wrote: > > > On Feb 5, 2017, at 11:05 AM, Greg Trzeciak <[email protected] > <javascript:>> wrote: > > Am I missing something simple? Can you replicate it on your machines? > > > Yes, you're missing a binding for `empty?`, which is part of `#lang > racket` but not `#lang pollen`. If you import `racket/list` (or use `null?` > instead of `empty?`) then the function will work. > > You're not seeing an error because Pollen handles undefined identifiers by > making them into tag functions. Hence `(empty? tx-elements)` becomes > '(empty? tx-elements) and always evaluates to true. >
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