Merge pull request #429 from sogaiu/tweak-minus-examples

Tweak examples for -

Author: bakpakin

examples/-.janet

@@ -3,8 +3,11 @@
 (- 1 2) # -> -1
 (- 1.4 -4.5) # -> 5.9
 
-# Equivalent to (- first (+ ;rest))
 (- 1 2 3 4 5 6 7 8 9 10) # -> -53
+(def nums (range 1 11)) # -> @[1 2 3 4 5 6 7 8 9 10]
+(def frst (first nums)) # -> 1
+(def rest (slice nums 1)) # -> [2 3 4 5 6 7 8 9 10]
+(- frst (+ ;rest)) # -> -53
 
-# Janet can subtract types that support the :- or :r- method
+# can subtract types that support the :- or :r- method
 (- (int/s64 "10") 10) # -> <core/s64 0>