give some more control over request params and their entries for the end-developers

Former-commit-id: 91362d3de5c63faf0d124e66747e40ad0df04fbb

context/context.go

@@ -91,6 +91,17 @@ func (r *RequestParams) Visit(visitor func(key string, value string)) {
 	})
 }
 
+// GetEntry returns the internal Entry of the memstore, as value
+// if not found then it returns a zero Entry and false.
+func (r RequestParams) GetEntry(key string) (memstore.Entry, bool) {
+	// we don't return the pointer here, we don't want to give the end-developer
+	// the strength to change the entry that way.
+	if e := r.store.GetEntry(key); e != nil {
+		return *e, true
+	}
+	return memstore.Entry{}, false
+}
+
 // Get returns a path parameter's value based on its route's dynamic path key.
 func (r RequestParams) Get(key string) string {
 	return r.store.GetString(key)