[plt-scheme] How to make the following code more clear?

From: Jinsong Liang (jinsongliang at gmail.com)
Date: Mon Oct 13 15:54:12 EDT 2008


How can I get the type info of a variable? For example, I want
something like the following

(get-type a-variable) => "list" or "vector" or "number" or "string"

Thank you!


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