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reflection.go
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reflection.go
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// Copyright 2023 Google LLC
//
// 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 reflection implements helpers for reflection code.
package reflection
import (
"fmt"
"reflect"
)
// Type returns the reflect.Type for T.
//
// This function is particularly useful when T is an interface
// and it is impossible to get a value with concrete type T.
func Type[T any]() reflect.Type {
return reflect.TypeOf((*T)(nil)).Elem()
}
// ComponentName returns the name of the component of type T.
// Note that T must be the interface type of the component, not its implementation type.
func ComponentName[T any]() string {
t := Type[T]()
return fmt.Sprintf("%s/%s", t.PkgPath(), t.Name())
}