Hi, I'm learning about tools to help me debug from the REPL, and I found
these two with the same name:
clojure.stacktrace/root-cause
clojure.repl/root-cause
For a very simple case (wrong arity), they give pretty similar output:
user=> (char 0 0 0)
CompilerException clojure.lang.ArityException: Wrong number of args (3)
passed to: core/char--inliner,
compiling:(/tmp/form-init6819528724684564936.clj:1:1)
user=> (clojure.stacktrace/root-cause *e)
#<ArityException clojure.lang.ArityException: Wrong number of args (3)
passed to: core/char--inliner>
user=> (clojure.repl/root-cause *e)
#<CompilerException clojure.lang.ArityException: Wrong number of args
(3) passed to: core/char--inliner,
compiling:(/tmp/form-init6819528724684564936.clj:1:1)>
I looked at the source code and they look fairly similar, but I didn't
understand the exact details.
If they do the same job, then which one does it best?
If they perform different roles, then could you describe the difference to
a user who doesn't need to understand the internals? ( I'm happy to
understand them if you are willing to explain, though :) )
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