Merge pull request #329 from lorrding/refactor-var-to-const

Change `var` to `const` in some exercises

1 files changed, 1 insertions, 1 deletions

diff --git a/exercises/016_for2.zig b/exercises/016_for2.zig
index 6fbdb2a..0eda182 100644
--- a/exercises/016_for2.zig
+++ b/exercises/016_for2.zig
@@ -29,7 +29,7 @@ pub fn main() void {
         // Note that we convert the usize i to a u32 with
         // @intCast(), a builtin function just like @import().
         // We'll learn about these properly in a later exercise.
-        var place_value = std.math.pow(u32, 2, @intCast(u32, i));
+        const place_value = std.math.pow(u32, 2, @intCast(u32, i));
         value += place_value * bit;
     }