-
Notifications
You must be signed in to change notification settings - Fork 0
/
core.clj
45 lines (36 loc) · 1.13 KB
/
core.clj
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
(ns clj.xpq.icore.core)
(defmacro <-
"reverse ->>"
[& args]
(let [elems (reverse (reduce conj [] args))]
(loop [x (first elems), forms (next elems)]
(if forms
(let [form (first forms)
threaded (if (seq? form)
(with-meta `(~(first form) ~@(next form) ~x)
(meta form))
(list form x))]
(recur threaded (next forms)))
x))))
(defmacro fn-let
"fn with let"
[& elems]
(loop [before `(), after elems]
(if (vector? (first after))
(let [before (reverse (conj before (first after)))
after (next after)]
`(fn ~@before
(let ~(first after)
~@(next after))))
(recur (conj before (first after)) (next after)))))
(defmacro defn-let
"defn with let"
[& elems]
(loop [before `(), after elems]
(if (vector? (first after))
(let [before (reverse (conj before (first after)))
after (next after)]
`(defn ~@before
(let ~(first after)
~@(next after))))
(recur (conj before (first after)) (next after)))))