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Require that defhelper arglist has two elements

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one for the map and one for varargs

Add & to metadata arglists, make them correct
This commit is contained in:
Michael Blume 2017-04-01 16:39:50 -07:00
parent e0072efbdc
commit f22cae3278
1 changed files with 9 additions and 4 deletions
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13
src/honeysql/helpers.cljc
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@ -15,9 +15,14 @@
#?(:clj
(defmacro defhelper [helper arglist & more]
(let [kw (keyword (name helper))]
(when-not (vector? arglist)
(throw (IllegalArgumentException. "arglist must be a vector")))
(when-not (= (count arglist) 2)
(throw (IllegalArgumentException. "arglist must have two entries, map and varargs")))
(let [kw (keyword (name helper))
[m-arg varargs] arglist]
`(do
(defmethod build-clause ~kw ~(into ['_] arglist) ~@more)
(defmethod build-clause ~kw ~['_ m-arg varargs] ~@more)
(defn ~helper [& args#]
(let [[m# args#] (if (plain-map? (first args#))
[(first args#) (rest args#)]
@ -30,8 +35,8 @@
(var ~helper)
assoc
:arglists
'(~(into [] (rest arglist))
~(into [(first arglist)] (rest arglist))))))))
'(~['& varargs]
~[m-arg '& varargs]))))))
(defn collify [x]
(if (coll? x) x [x]))