And he does have some eval's in there:
http://github.com/brool/gulliver/blob/master/template-servlet.clj
But my Clojure knowledge isn't yet good enough to tell me whether
he's using eval only once or on every render?
It uses eval at runtime, but only once: that code slurps a template,
turns it into s-expressions, then uses eval to define a function named
`render` in the appropriate namespace. Pretty nice.
That function is just like one defined in Clojure source: it'll get
JITed, for example.
One might avoid the (minor) runtime work by "precompiling" templates:
translating them into the equivalent Clojure source on disk, which can
then be treated like ordinary source files. That's what Cheetah does
for Python.
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