params_go17.go

//// +build go1.7
//
package bingo_router
//
//import (
//	"context"
//	"net/http"
//)
//
//type paramsKey struct{}
//
//// ParamsKey is the request context key under which URL params are stored.
////
//// This is only present from go 1.7.
//var ParamsKey = paramsKey{}
//
//// Handler is an adapter which allows the usage of an http.Handler as a
//// request handle. With go 1.7+, the Params will be available in the
//// request context under ParamsKey.
//func (r *Router) Handler(method, path string, route http.Handler) {
//	r.Handle(method, path,
//		func(w http.ResponseWriter, req *http.Request, p Params) {
//			ctx := req.Context()
//			ctx = context.WithValue(ctx, ParamsKey, p)
//			req = req.WithContext(ctx)
//			handler.ServeHTTP(w, req)
//		},
//	)
//}
//
//// ParamsFromContext pulls the URL parameters from a request context,
//// or returns nil if none are present.
////
//// This is only present from go 1.7.
//func ParamsFromContext(ctx context.Context) Params {
//	p, _ := ctx.Value(ParamsKey).(Params)
//	return p
//}