Dynamically Reify Interfaces

[Nick Mudge]

I need to dynamically reify some java interfaces based on data from a map.  One way I can see to do this is to generate the reify code with a function using syntax quotes, quotes and unquote and unquote splice.  And then evaluate it using eval. I hesitate using eval, but is eval the right tool for this case?  

Normally I would write a macro to generate code. A macro is good for generating code from source code. But in this case the data that is used to generate the code is coming from a var that holds a data structure.

Any thoughts about when it is okay/good to use eval in Clojure?

[Timothy Baldridge]

Eval gets a bad reputation from languages like JS where it's messy and a bit of a security risk. In Clojure, there's nothing wrong with using eval for something like this. 

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