improvements

build.zig

@@ -14,10 +14,35 @@ pub fn build(b: *std.build.Builder) !void {
     var ensure_step = b.step("deps", "ensure external dependencies");
     ensure_step.makeFn = ensureDeps;
 
-    const example_run_step = b.step("run-example", "run the example");
-    const example_step = b.step("example", "build the example");
+    inline for ([_]struct {
+        name: []const u8,
+        src: []const u8,
+    }{
+        .{ .name = "hello", .src = "examples/hello/hello.zig" },
+        // .{ .name = "routes", .src = "examples/routes/routes.zig" },
+        // .{ .name = "serve", .src = "examples/serve/serve.zig" },
+    }) |excfg| {
+        const ex_name = excfg.name;
+        const ex_src = excfg.src;
+        const ex_build_desc = try std.fmt.allocPrint(
+            b.allocator,
+            "build the {s} example",
+            .{ex_name},
+        );
+        const ex_run_stepname = try std.fmt.allocPrint(
+            b.allocator,
+            "run-{s}",
+            .{ex_name},
+        );
+        const ex_run_stepdesc = try std.fmt.allocPrint(
+            b.allocator,
+            "run the {s} example",
+            .{ex_name},
+        );
+        const example_run_step = b.step(ex_run_stepname, ex_run_stepdesc);
+        const example_step = b.step(ex_name, ex_build_desc);
 
-    var example = b.addExecutable("example", "examples/hello/hello.zig");
+        var example = b.addExecutable(ex_name, ex_src);
         example.setBuildMode(mode);
         example.addPackage(zap);
         example.addIncludePath("src/deps/facilio/libdump/all");
@@ -34,6 +59,7 @@ pub fn build(b: *std.build.Builder) !void {
         example.step.dependOn(ensure_step);
         example_step.dependOn(&example_build_step.step);
     }
+}
 
 fn logstep(msg: []const u8) void {
     std.debug.print("=================================================\n", .{});

examples/hello/hello.zig

@@ -13,7 +13,7 @@ fn on_request(r: zap.SimpleRequest) void {
 }
 
 pub fn main() !void {
-    var listener: zap.SimpleHttpListener = zap.SimpleHttpListener.init(.{
+    var listener = zap.SimpleHttpListener.init(.{
         .port = 3000,
         .on_request = on_request,
         .log = false,