example: Use b.path

Author: peterhellberg

example/build.zig

@@ -3,16 +3,16 @@ const std = @import("std");
 pub fn build(b: *std.Build) !void {
     const exe = b.addExecutable(.{
         .name = "cart",
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = b.resolveTargetQuery(.{
             .cpu_arch = .wasm32,
             .os_tag = .freestanding,
         }),
         .optimize = .ReleaseSmall, // b.standardOptimizeOption(.{}),
     });
-    exe.addIncludePath(.{ .path = "../runtime/" });
+    exe.addIncludePath(b.path("../runtime/"));
     exe.addCSourceFile(.{
-        .file = .{ .path = "../runtime/w4on2.c" },
+        .file = b.path("../runtime/w4on2.c"),
         .flags = &.{"-D__W4ON2_WASM4_TRACEF"},
     });