fix: zig build

Author: hanabi1224

.github/workflows/bench.yml

@@ -159,8 +159,7 @@ jobs:
       - uses: dlang-community/setup-dlang@v1
         if: matrix.lang == 'd'
         with:
-          # compiler: ldc-latest
-          compiler: ldc-1.31.0
+          compiler: ldc-latest
       - name: Install nim
         if: matrix.lang == 'nim'
         run: ./.github/nim.sh

bench/algorithm/nsieve/1.zig

@@ -5,7 +5,7 @@ const global_allocator = std.heap.c_allocator;
 fn nsieve(n: usize) !void {
     var count: usize = 0;
     var flags = try global_allocator.alloc(bool, n);
-    std.mem.set(bool, flags, false);
+    @memset(flags, false);
     defer global_allocator.free(flags);
     var i: usize = 2;
     while (i < n) : (i += 1) {

bench/algorithm/pidigits/1.zig

@@ -38,7 +38,7 @@ pub fn main() !void {
 
             if (digits_printed >= n) {
                 if (rem != 9) {
-                    std.mem.set(u8, sb[rem + 1 ..], ' ');
+                    @memset(sb[rem + 1 ..], ' ');
                     try stdout.print("{s}\t:{d}\n", .{ sb, digits_printed });
                 }
                 break;