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// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package echo
var noChecker Checker = func(_ CallResult, err error) error {
return err
}
// Checker inspects echo call results for errors.
type Checker func(CallResult, error) error
func (c Checker) Check(result CallResult, err error) error {
return c(result, err)
}
// NoChecker provides a Checker that returns the original raw call error, unaltered.
func NoChecker() Checker {
return noChecker
}