| // compile |
| |
| // Copyright 2022 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| type None struct{} |
| |
| type Response interface { |
| send(ctx *struct{}) |
| } |
| |
| type HandlerFunc[Input any] func(Input) Response |
| |
| func Operation[Input any](method, path string, h HandlerFunc[Input]) { |
| var input Input |
| h(input) |
| } |
| |
| func Get[Body any](path string, h HandlerFunc[struct{ Body Body }]) { |
| Operation("GET", path, h) |
| } |
| |
| func main() { |
| Get("/", func(req struct{ Body None }) Response { |
| return nil |
| }) |
| } |