Make handlers return new Response object

src/http.zig

@@ -7,7 +7,7 @@ const Writer = std.net.Stream.Writer;
 
 const Status = std.http.Status;
 const Method = std.http.Method;
-pub const Handler = fn (*Context) anyerror!void;
+pub const Handler = fn (*Context) anyerror!Response;
 
 const HeaderMap = std.HashMap([]const u8, []const u8, struct {
     pub fn eql(_: @This(), a: []const u8, b: []const u8) bool {
@@ -197,7 +197,7 @@ pub const Context = struct {
     allocator: std.mem.Allocator,
 };
 
-pub const Response2 = struct {
+pub const Response = struct {
     status: Status,
     headers: HeaderMap,
     body: ?[]const u8 = null,
@@ -210,7 +210,7 @@ pub const Request2 = struct {
     body: ?[]const u8 = null,
 };
 
-const Response = struct {
+const ResponseOld = struct {
     headers: HeaderMap,
     writer: Writer,
 

src/main.zig

@@ -81,10 +81,9 @@ pub fn main() anyerror!void {
 
         // todo: keep track of connections
         _ = async http.handleConnection(conn, struct {
-            fn func(ctx: *http.Context) anyerror!void {
-                try router(ctx.request.method, ctx.request.path, ctx);
-                _ = ctx;
-                return;
+            fn func(ctx: *http.Context) anyerror!http.Response {
+                return try router(ctx.request.method, ctx.request.path, ctx);
+                //_ = ctx;
             }
         }.func);
     }

src/routing.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const http = @import("./http.zig");
 const ciutf8 = @import("./util.zig").ciutf8;
 
 const PathIter = struct {
@@ -70,17 +71,17 @@ const RouteSegment = union(enum) {
 };
 
 pub fn RouteFn(comptime Context: type) type {
-    return fn (Context, std.http.Method, []const u8) anyerror!void;
+    return fn (Context, std.http.Method, []const u8) anyerror!http.Response;
 }
 
-/// `makeRoute` takes a route definition and a handler of the form `fn(<Context>, <Params>) anyerror!void`
+/// `makeRoute` takes a route definition and a handler of the form `fn(<Context>, <Params>) anyerror!http.Response`
 /// where `Params` is a struct containing one field of type `[]const u8` for each path parameter
 ///
 /// Arguments:
 ///     method: The HTTP method to match
 ///     path: The path spec to match against. Path segments beginning with a `:` will cause the rest of
 ///         the segment to be treated as the name of a path parameter
-///     handler: The code to execute on route match. This must be a function of form `fn(<Context>, <Params>) anyerror!void`
+///     handler: The code to execute on route match. This must be a function of form `fn(<Context>, <Params>) anyerror!http.Response`
 ///
 /// Implicit Arguments:
 ///     Context: the type of a user-supplied Context that is passed through the route. typically `std.http.Context` but
@@ -90,7 +91,7 @@ pub fn RouteFn(comptime Context: type) type {
 ///         `[]const u8` and it must have the same name as a single path parameter.
 ///
 /// Returns:
-///     A new route function of type `fn(<Context>, std.http.Method, []const u8) anyerror!void`. When called,
+///     A new route function of type `fn(<Context>, std.http.Method, []const u8) anyerror!http.Response`. When called,
 ///         this function will test the provided values against its specification. If they match, then
 ///         this function will parse path parameters and <handler> will be called with the supplied 
 ///         context and params. If they do not match, this function will return error.Http404
@@ -138,7 +139,7 @@ pub fn makeRoute(
     }
 
     return struct {
-        fn func(ctx: Context, req_method: std.http.Method, req_path: []const u8) anyerror!void {
+        fn func(ctx: Context, req_method: std.http.Method, req_path: []const u8) anyerror!http.Response {
             if (req_method != method) return error.Http404;
 
             var params: Params = undefined;
@@ -164,7 +165,7 @@ pub fn makeRoute(
 }
 
 pub fn RouterFn(comptime Context: type) type {
-    return fn (std.http.Method, path: []const u8, Context) anyerror!void;
+    return fn (std.http.Method, path: []const u8, Context) anyerror!http.Response;
 }
 
 pub fn makeRouter(
@@ -172,7 +173,7 @@ pub fn makeRouter(
     comptime routes: []const RouteFn(Context),
 ) RouterFn(Context) {
     return struct {
-        fn dispatch(method: std.http.Method, path: []const u8, ctx: Context) anyerror!void {
+        fn dispatch(method: std.http.Method, path: []const u8, ctx: Context) anyerror!http.Response {
             for (routes) |r| {
                 return r(ctx, method, path) catch |err| switch (err) {
                     error.Http404 => continue,
@@ -298,7 +299,7 @@ const _tests = struct {
     fn dummyHandler(comptime Args: type) type {
         comptime {
             return struct {
-                fn func(_: TestContext, _: Args) anyerror!void {}
+                fn func(_: TestContext, _: Args) anyerror!http.Response {}
             };
         }
     }