On 11 Apr 2011, at 03:50, George Rogers wrote:
;;2) Shadowing a macro does not change macros that depend on it.
(defmacro foobar [x]
`(let [a# ~x]
(+ a# a#)))
(defmacro let []
`(guik.evil/let*))
(foobar 10) ;=> 20
That's due to namespaces, which indeed solve many of the "hygiene"
problems that have been discussed for Common Lisp.
Namespaces are one of the most important features that have appeared
in programming languages since the early days of Lisp. To quote "The
Zen of Python":
...
Namespaces are one honking great idea -- let's do more of those!
Konrad.
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