Rename the := special form to set so it does not look like a keyword.

examples/lazyseqs.janet

@@ -18,8 +18,8 @@
        (if ,loaded 
          ,state 
          (do
-           (:= ,loaded true)
-           (:= ,state (do ;forms)))))))
+           (set ,loaded true)
+           (set ,state (do ;forms)))))))
 
 # Use tuples instead of structs to save memory
 (def- HEAD 0)

examples/life.janet

@@ -24,7 +24,7 @@
   "Draw cells in the game of life from (x1, y1) to (x2, y2)"
   [state x1 y1 x2 y2]
   (def cellset @{})
-  (each cell state (:= cellset@cell true))
+  (each cell state (set cellset@cell true))
   (loop [x :range [x1 (+ 1 x2)]
          :after (print)
          y :range [y1 (+ 1 y2)]]
@@ -40,4 +40,4 @@
 (for i 0 20
   (print "generation " i)
   (draw *state* -7 -7 7 7)
-  (:= *state* (tick *state*)))
+  (set *state* (tick *state*)))

examples/primes.janet

@@ -9,6 +9,6 @@
     (def len (length list))
     (for j 0 len
       (def trial (get list j))
-      (if (zero? (% i trial)) (:= isprime? false)))
+      (if (zero? (% i trial)) (set isprime? false)))
     (if isprime? (array/push list i)))
   list)