add example of mutating values in function

2022-05-27 13:22:37 +02:00 · 2022-05-27 13:22:37 +02:00 · 9393f239f6
commit 9393f239f6
parent cb20d79549
1 changed files with 8 additions and 0 deletions
--- a/ch02.jl
+++ b/ch02.jl
@ -218,6 +218,14 @@ end
 s
 s / length(y)

+function f!(x)
+    x[1] = 10
+    return x
+end
+x = [1, 2, 3]
+f!(x)
+x
+
 # Code for listing 2.7

 function times_two(x)