add module

build.zig

@@ -1,36 +1,27 @@
 const std = @import("std");
 
-// Although this function looks imperative, note that its job is to
-// declaratively construct a build graph that will be executed by an external
-// runner.
 pub fn build(b: *std.Build) void {
-    // Standard target options allows the person running `zig build` to choose
-    // what target to build for. Here we do not override the defaults, which
-    // means any target is allowed, and the default is native. Other options
-    // for restricting supported target set are available.
     const target = b.standardTargetOptions(.{});
-
-    // Standard optimization options allow the person running `zig build` to select
-    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
-    // set a preferred release mode, allowing the user to decide how to optimize.
     const optimize = b.standardOptimizeOption(.{});
 
+    var module = b.createModule(
+        .{
+            .source_file = .{
+                .path = "src/main.zig",
+            },
+        },
+    );
+
+    try b.modules.put(b.dupe("datetime"), module);
+
     const lib = b.addStaticLibrary(.{
         .name = "datetime",
-        // In this case the main source file is merely a path, however, in more
-        // complicated build scripts, this could be a generated file.
         .root_source_file = .{ .path = "src/main.zig" },
         .target = target,
         .optimize = optimize,
     });
-
-    // This declares intent for the library to be installed into the standard
-    // location when the user invokes the "install" step (the default step when
-    // running `zig build`).
     b.installArtifact(lib);
 
-    // Creates a step for unit testing. This only builds the test executable
-    // but does not run it.
     const main_tests = b.addTest(.{
         .root_source_file = .{ .path = "src/main.zig" },
         .target = target,
@@ -39,9 +30,6 @@ pub fn build(b: *std.Build) void {
 
     const run_main_tests = b.addRunArtifact(main_tests);
 
-    // This creates a build step. It will be visible in the `zig build --help` menu,
-    // and can be selected like this: `zig build test`
-    // This will evaluate the `test` step rather than the default, which is "install".
     const test_step = b.step("test", "Run library tests");
     test_step.dependOn(&run_main_tests.step);
 }