Merge pull request #286 from rwtolbert/example_eachp

add examples for eachp

Author: sogaiu

examples/eachp.janet

@@ -0,0 +1,13 @@
+# keys for tuple/array are 0-based index
+# prints 0->:a 1->:b 2->:c 3->:d 4->:e
+(eachp [i x] [:a :b :c :d :e] (prinf "%v->%v " i x)) # -> nil
+
+# prints 0->"a" 1->"b" 2->"c" 3->"d" 4->"e"
+(eachp [i x] @["a" "b" "c" "d" "e"] (prinf "%v->%v " i x)) # -> nil
+
+# key, value from table/struct in an unspecified order
+# prints :b -> 2 :a -> 1
+(eachp [k v] {:a 1 :b 2} (prinf "%v -> %v " k v)) # -> nil
+
+# prints :foo -> "A" :bar -> "B"
+(eachp [k v] @{:foo "A" :bar "B"} (prinf "%v -> %v " k v)) # -> nil