milvus/pkg/util/generic/generic.go
yah01 0f2883ef9d
Optimize the generic zero value (#27102)
allocate by declare,
this make it possible to allocate the value in stack,
faster and less presure for GC

Signed-off-by: yah01 <yah2er0ne@outlook.com>
2023-09-14 19:05:20 +08:00

33 lines
1001 B
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 generic
import "reflect"
func Zero[T any]() T {
var zero T
return zero
}
func IsZero[T any](v T) bool {
return reflect.ValueOf(&v).Elem().IsZero()
}
func Equal(v1, v2 any) bool {
return v1 == v2
}