You should be able to call dynamic quots by specifying their stack effect in 
the call, assuming your quotations take one input and produce a Boolean 

[ call( elt — ? ) ] 2map

Or even use 2all? If you want to know if an input array passes all the tests. 



> On Dec 6, 2020, at 6:11 PM, bubbler9...@gmail.com wrote:
> 
> 
> Hi,
> 
> I'm currently solving problems on Advent of Code 2020 (adventofcode.com/2020) 
> and Rosalind (rosalind.info) in Factor.
> I encountered an interesting problem in AoC2020 Day4 Part2: the main part of 
> the problem is, given an array of 7 strings, validate them for seven 
> different conditions, i.e. test item 0 for condition 0, item 1 for condition 
> 1, etc.
> I initially thought pushing an array of 7 functions and doing "[ call ] 2map" 
> should work, but it didn't. I "solved" the problem by extracting the 7 
> strings on the stack (using "7 firstn"), using spread, and collecting them 
> back (using "7 narray"). Is there a better way to achieve this?
> 
> The full code can be found here: 
> github.com/Bubbler-4/factor-problem-solving/blob/main/aoc2020/day4/day4.factor
> _______________________________________________
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