Day4

Plus fixes var -> const for latest zig version

1 files changed, 3 insertions, 3 deletions

diff --git a/day3.zig b/day3.zig
index 04c432f..9bea1ab 100644
--- a/day3.zig
+++ b/day3.zig
@@ -17,7 +17,7 @@ const Grid = struct {
     span_ix: []usize, // grid mapping of index into spans list
 
     fn init(a: std.mem.Allocator, input: []const u8) !Grid {
-        var spix = try a.alloc(usize, input.len);
+        const spix = try a.alloc(usize, input.len);
         @memset(spix, std.math.maxInt(usize));
 
         errdefer a.free(spix);
@@ -173,10 +173,10 @@ fn solve_pt2(a: std.mem.Allocator, input: []const u8) !u32 {
                 }
                 var ki = spixes.keyIterator();
                 if (ki.next()) |first| {
-                    var m = allSpans.items[first.*];
+                    const m = allSpans.items[first.*];
                     //std.log.warn("span val m{}", .{m});
                     if (ki.next()) |second| {
-                        var m2 = allSpans.items[second.*];
+                        const m2 = allSpans.items[second.*];
                         //std.log.warn("span val m2{}", .{m2});
                         // _EXACTLY_ two gears!
                         if (ki.next() == null) {