babashka/examples/logger.clj

12 lines
318 B
Clojure
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(ns logger)
(defmacro log [& msgs]
(let [m (meta &form)
_ns (ns-name *ns*) ;; can also be used for logging
file *file*]
`(binding [*out* *err*] ;; or bind to (io/writer log-file)
(println (str ~file ":"
~(:line m) ":"
~(:column m))
~@msgs))))