Converted var to const if there is no mutation in var.

This is checked from compiler version 0.12.0-dev.1664

1 files changed, 2 insertions, 2 deletions

diff --git a/exercises/029_errdefer.zig b/exercises/029_errdefer.zig
index 82fdfe1..39ab306 100644
--- a/exercises/029_errdefer.zig
+++ b/exercises/029_errdefer.zig
@@ -21,8 +21,8 @@ const MyErr = error{ GetFail, IncFail };
 
 pub fn main() void {
     // We simply quit the entire program if we fail to get a number:
-    var a: u32 = makeNumber() catch return;
-    var b: u32 = makeNumber() catch return;
+    const a: u32 = makeNumber() catch return;
+    const b: u32 = makeNumber() catch return;
 
     std.debug.print("Numbers: {}, {}\n", .{ a, b });
 }